{"id":1813,"date":"2020-12-01T08:46:54","date_gmt":"2020-12-01T03:16:54","guid":{"rendered":"https:\/\/learnsteer.sasnaka.org\/science\/?p=1813"},"modified":"2021-10-03T01:08:28","modified_gmt":"2021-10-02T19:38:28","slug":"12-03-05","status":"publish","type":"post","link":"https:\/\/learnsteer.sasnaka.org\/science\/advanced-level-science\/12-03-05\/","title":{"rendered":"12.03.05 &#8211; \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd"},"content":{"rendered":"\r\n<div class=\"wp-block-buttons aligncenter is-layout-flex wp-block-buttons-is-layout-flex\">\r\n<div class=\"wp-block-button is-style-shadow\"><a class=\"wp-block-button__link\" style=\"border-radius: 15px\" href=\"https:\/\/drive.google.com\/uc?export=download&amp;id=1ZH-wNGGAIUEjVgg7Wgg-ICqeK5siG4n5\" target=\"_blank\" rel=\"noreferrer noopener\">\u0db4\u0dcf\u0da9\u0db8\u0dda \u0dc3\u0da7\u0dc4\u0db1 Download \u0d9a\u0dbb\u0d9c\u0db1\u0dca\u0db1.<\/a><\/div>\r\n<\/div>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" style=\"text-align: center\"><span style=\"color: #3366ff\"><strong>\u00a0<\/strong><strong>\u0daf\u0dd4\u0db6\u0dbd<\/strong> <strong>\u0d85\u0db8\u0dca\u0dbd<\/strong><\/span><u><\/u><\/h2>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" style=\"text-align: center\"><span style=\"color: #333399\"><strong>\u0dc4\u0dd0\u0db3\u0dd2\u0db1\u0dca\u0dc0\u0dd3\u0db8<\/strong><\/span><u><\/u><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>\u0da2\u0dbd\u0dd3\u0dba \u0daf\u0dca\u200d\u0dbb\u0dcf\u0dc0\u0dab\u0dba\u0d9a\u0daf\u0dd3 \u0db7\u0dcf\u0d9c\u0dd2\u0d9a\u0dc0 \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba \u0dc0\u0dd3 \u0d85\u0daf\u0dcf\u0dbd \u0da2\u0dbd\u0dd3\u0dba \u0daf\u0dca\u200d\u0dbb\u0dcf\u0dc0\u0dab\u0dba\u0d9a H<sup>+ <\/sup>\u0d85\u0dba\u0db1 \u0db1\u0dd2\u0daf\u0dc4\u0dc3\u0dca \u0d9a\u0dbb\u0db1\u0dca\u0db1\u0dcf\u0dc0\u0dd4 \u0dc3\u0dca\u0dc0\u0dbb\u0dd6\u0db4\u0dba\u0dda \u0dbb\u0dc3\u0dcf\u0dba\u0db1\u0dd2\u0d9a \u0db4\u0dca\u200d\u0dbb\u0db7\u0dda\u0daf \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd \u0dbd\u0dd9\u0dc3 \u0d85\u0dbb\u0dca\u0dae \u0daf\u0dd0\u0d9a\u0dca\u0dc0\u0dda. HA \u0dba\u0db1 \u0d92\u0d9a \u0db7\u0dcf\u0dc2\u0dca\u0db8\u0dd2\u0d9a \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba \u0da2\u0dbd\u0dd3\u0dba \u0daf\u0dca\u200d\u0dbb\u0dcf\u0dc0\u0dab\u0dba\u0d9a\u0dca \u0dad\u0dd4\u0dc5 \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba \u0dc0\u0dd3 H<sup>+<\/sup> \u0db7\u0dcf\u0d9c\u0dd2\u0d9a \u0dc0\u0dc1\u0dba\u0dd9\u0db1\u0dca \u0db1\u0dd2\u0daf\u0dc4\u0dc3\u0dca \u0d9a\u0dd2\u0dbb\u0dd3\u0db8\u0da7 \u0d85\u0daf\u0dcf\u0dbd \u0db4\u0dca\u200d\u0dbb\u0ddd\u0da7\u0ddd\u0db1 \u0dc4\u0dd4\u0dc0\u0db8\u0dcf\u0dbb\u0dd4 \u0dc3\u0db8\u0dad\u0dd4\u0dbd\u0dd2\u0dad\u0dba \u0db4\u0dc4\u0dad \u0db4\u0dbb\u0dd2\u0daf\u0dd2 \u0db1\u0dd2\u0dbb\u0dd6\u0db4\u0db1\u0dba \u0d9a\u0dbd \u0dc4\u0dd0\u0d9a.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"has-text-align-center\" style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{l}{\\mathrm{HA}}_{(\\mathrm{aq})}\\;+\\;{\\mathrm H}_2{\\mathrm O}_{(\\mathrm l)}\\;\\;\\rightleftharpoons\\;{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}\\;+\\;\\mathrm A\u00af_{(\\mathrm{aq})}\\;\\;\\\\{\\mathrm{HA}}_{(\\mathrm{aq})}\\;\\rightleftharpoons\\;{\\mathrm H^+}_{(\\mathrm{aq})}\\;+\\;\\mathrm A\u00af\\;_{(\\mathrm{aq})}\\end{array}<\/span><\/p>\r\n\r\n\r\n\r\n<p>\u0d8b\u0daf\u0dcf:<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li style=\"list-style-type: none\">\r\n<ul>\r\n<li style=\"list-style-type: none\">\r\n<ul>\r\n<li style=\"list-style-type: none\">\r\n<ul style=\"list-style-type: disc\">\r\n<li>CH<sub>3<\/sub>COOH<\/li>\r\n<li>HCN<\/li>\r\n<li>H<sub>2<\/sub>CO<sub>3<\/sub><\/li>\r\n<li>HF<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>\u0d92 \u0d85\u0db1\u0dd4\u0dc0 \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba\u0d9a \u0da2\u0dbd\u0dd3\u0dba \u0daf\u0dca\u200d\u0dbb\u0dcf\u0dc0\u0dab\u0dba\u0d9a\u0dca \u0dad\u0dd4\u0dc5 \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba \u0dc0\u0dd6 \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0dab\u0dd4 \u0dc4\u0dda\u0dad\u0dd4\u0dc0\u0dd9\u0db1\u0dca \u0da2\u0db1\u0dd2\u0dad\u0dc0\u0db1 \u0db1\u0dd2\u0daf\u0dc4\u0dc3\u0dca \u0d85\u0dba\u0db1\u00a0 \u0db8\u0dd9\u0db1\u0dca\u0db8 \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba \u0db1\u0ddc\u0dc0\u0dd6 \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd \u0d85\u0dab\u0dd4 \u0daf \u0d91\u0d9a\u0dd2\u0db1\u0dd9\u0d9a \u0dc3\u0db8\u0d9f \u0d9c\u0dad\u0dd2\u0d9a \u0dc3\u0db8\u0dad\u0dd4\u0dbd\u0dd2\u0dad\u0dad\u0dcf\u0dc0\u0dba\u0d9a \u0db4\u0dc0\u0dad\u0dd2\u0db1\u0dd4 \u0d87\u0dad.<\/p>\r\n\r\n\r\n\r\n<h3>\u00a0<\/h3>\r\n<h3 style=\"text-align: center\"><span style=\"color: #333399\"><strong>\u0d86\u0db8\u0dca\u0dbd\u0dd2\u0d9a<\/strong> <strong>\u0dc0\u0dd2\u0d9d\u0da7\u0db1<\/strong> <strong>\u0db1\u0dd2\u0dba\u0dad\u0dba<\/strong><strong> (K<sub>a<\/sub>)<\/strong><\/span><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>\u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd \u0d85\u0dab\u0dd4 \u0daf\u0dd9\u0d9a\u0d9a \u0d86\u0db8\u0dca\u0dbd\u0dd2\u0d9a \u0db4\u0dca\u200d\u0dbb\u0db6\u0dbd\u0dad\u0dcf \u0dc3\u0db1\u0dca\u0dc3\u0db1\u0dca\u0daf\u0db1\u0dba\u0da7\u0dad\u0dca \u0dba\u0db8\u0dca \u0d9a\u0dd2\u0dc3\u0dd2 \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db4\u0dca\u200d\u0dbb\u0dad\u0dd2\u0dc1\u0dad\u0dba \u0db4\u0dca\u200d\u0dbb\u0db8\u0dcf\u0dab\u0dcf\u0dad\u0dca\u0db8\u0d9a\u0dc0 \u0daf\u0dd0\u0d9a\u0dca\u0dc0\u0dd3\u0db8\u0da7\u0dad\u0dca \u0d86\u0db8\u0dca\u0dbd\u0dd2\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db1\u0dd2\u0dba\u0dad\u0dba \u0db7\u0dcf\u0dc0\u0dd2\u0dad\u0dcf \u0d9a\u0dd9\u0dbb\u0dda.<\/li>\r\n<li>\u0d86\u0db8\u0dca\u0dbd\u0dd2\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db1\u0dd2\u0dba\u0dad\u0dba \u0dba\u0db1 \u0db4\u0daf\u0dba \u0d85\u0dba\u0dab\u0dd3\u0d9a\u0dbb\u0dab \u0db1\u0dd2\u0dba\u0dad\u0dba \u0dc4\u0dd9\u0dc0\u0dad\u0dca \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db1\u0dd2\u0dba\u0dad\u0dba\u00a0 \u0dbd\u0dd9\u0dc3\u0daf \u0dc4\u0dd0\u0daf\u0dd2\u0db1\u0dca\u0dc0\u0dda.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>HA \u0dba\u0db1\u0dd4\u00a0\u0d92\u0d9a \u0db7\u0dcf\u0dc2\u0dca\u0db8\u0dd2\u0d9a \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba \u0da2\u0dbd\u0dd3\u0dba \u0daf\u0dca\u200d\u0dbb\u0dcf\u0dc0\u0dab\u0dba\u0d9a\u0dca \u0dad\u0dd4\u0dc5 \u0dc3\u0dd2\u0daf\u0dd4 \u0d9a\u0dbb\u0db1 \u0dbd\u0db6\u0db1 \u0db7\u0dcf\u0d9c\u0dd2\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba \u0dc3\u0dbd\u0d9a\u0db8\u0dd4.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"has-text-align-center\" style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">{\\mathrm{HA}}_{(\\mathrm{aq})}\\;+\\;{\\mathrm H}_2{\\mathrm O}_{(\\mathrm l)}\\rightleftharpoons\\;\\;{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}\\;\\;+\\;\\;\\mathrm A\u00af_{(\\mathrm{aq})}<\/span><\/p>\r\n\r\n\r\n\r\n<p>\u0dc3\u0db8\u0dad\u0dd4\u0dbd\u0dd2\u0dad\u0dad\u0dcf \u0db1\u0dd2\u0dba\u0db8\u0dba \u0dba\u0dd9\u0daf\u0dd3\u0db8\u0dd9\u0db1\u0dca,<\/p>\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{c}{\\mathrm K}_{\\mathrm c}=\\frac{\\left[{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}\\right]\\left[{\\mathrm A^-}_{(\\mathrm{aq})}\\right]}{\\left[{\\mathrm H}_2{\\mathrm O}_{(\\mathrm l)}\\right]\\left[{\\mathrm{HA}}_{(\\mathrm{aq})}\\right]}\\\\\\\\{\\mathrm K}_{\\mathrm c}\\;\\left[{\\mathrm H}_2{\\mathrm O}_{(\\mathrm l)}\\right]=\\;\\frac{\\left[{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}\\right]\\left[{\\mathrm A^-}_{(\\mathrm{aq})}\\right]}{\\left[{\\mathrm{HA}}_{(\\mathrm{aq})}\\right]}\\end{array}<\/span><\/p>\r\n\r\n\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li style=\"text-align: left\">\u0d86\u0dbb\u0db8\u0dca\u0db7\u0d9a H<sub>2<\/sub>O<sub>(l) <\/sub>\u00a0\u0dc3\u0dcf\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dab\u0dba \u0dc3\u0db8\u0d9f \u0dc3\u0dd0\u0dc3\u0db3\u0dd2\u0db8\u0dda\u0daf\u0dd2 HA \u0dc4\u0dd2 \u0d9a\u0dd4\u0da9\u0dcf \u0db7\u0dcf\u0d9c\u0dd2\u0d9a \u0db4\u0dca\u200d\u0dbb\u0db8\u0dcf\u0dab\u0dba\u0d9a\u0dca \u0da2\u0dbd \u0dc0\u0dd2\u0da0\u0dca\u0da0\u0dda\u0daf\u0db1 \u0db4\u0dca\u200d\u0dbb\u0dad\u0dd2\u0d9a\u0dca\u200d\u0dbb\u0dd2\u0dba\u0dcf\u0dc0\u0da7 \u0db7\u0dcf\u0da2\u0db1\u0dba \u0dc0\u0dd3\u0db8 \u0dc4\u0dda\u0dad\u0dd4\u0d9a\u0ddc\u0da7 \u0d9c\u0dd9\u0db1 [H<sub>2<\/sub>O<sub>(l)<\/sub>]\u00a0 \u0dad\u0dd4\u0dc5 \u0dc3\u0dd2\u0daf\u0dd4\u0dc0\u0db1 \u0d85\u0da9\u0dd4\u0dc0\u0dd3\u0db8 \u0db1\u0ddc\u0d9c\u0dd2\u0db1\u0dd2\u0dba \u0dba\u0dd4\u0dad\u0dd4 \u0dad\u0dbb\u0db8\u0dca \u0d9a\u0dd4\u0da9\u0dcf \u0dc0\u0db1\u0dd4 \u0d87\u0dad.\u0d91\u0dc0\u0dd2\u0da7,<\/li>\r\n<\/ul>\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{c}{\\mathrm K}_{\\mathrm c}\\;\\left[{\\mathrm H}_2{\\mathrm O}_{(\\mathrm l)}\\right]=\\;\\mathrm K\\;=\\;\\mathrm{\u0db1\u0dd2\u0dba\u0dad\u0dba\u0d9a\u0dca}\\;=\\;\\mathrm{Ka}\\\\\\\\{\\mathrm K}_{\\mathrm a}\\;=\\;\\frac{\\left[{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}\\right]\\left[{\\mathrm A^-}_{(\\mathrm{aq})}\\right]}{\\left[{\\mathrm{HA}}_{(\\mathrm{aq})}\\right]}\\end{array}<\/span><\/p>\r\n<p style=\"text-align: left\"><span class=\"has-inline-color has-vivid-red-color\">Ka \u0d85\u0d9c\u0dba \u0dc0\u0dd0\u0da9\u0dd2\u0dc0\u0dad\u0dca\u0db8 \u0d9a\u0dd2\u0dc3\u0dd2\u0dba\u0db8\u0dca \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba\u0d9a \u0d86\u0db8\u0dca\u0dbd\u0dd2\u0d9a \u0db4\u0dca\u200d\u0dbb\u0db6\u0dbd\u0dad\u0dcf\u0dc0\u0dba \u0dc0\u0dd0\u0da9\u0dd2\u0dc0\u0db1 \u0d85\u0dad\u0dbb Ka \u0d85\u0d9c\u0dba \u0d85\u0da9\u0dd4 \u0dc0\u0dad\u0dca\u0db8 \u0d9a\u0dd2\u0dc3\u0dd2\u0dba\u0db8\u0dca \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba\u0d9a \u0d86\u0db8\u0dca\u0dbd\u0dd2\u0d9a \u0db4\u0dca\u200d\u0dbb\u0db6\u0dbd\u0dad\u0dcf\u0dc0\u0dba \u0d85\u0da9\u0dd4 \u0dc0\u0db1\u0dd4 \u0d87\u0dad.<\/span><\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\r\n<div class=\"wp-block-embed__wrapper\">\r\n<p><iframe loading=\"lazy\" title=\"\u0daf\u0dd4\u0dbb\u0dca\u0dc0\u0dbd \u0d85\u0db8\u0dca\u0dbd  \u0daf\u0dca\u200d\u0dbb\u0dc0\u0dab\u0dba\u0d9a \u200bPH \u0dc3\u0dc4 Ka \u0d85\u0d9c\u0dba \u0dc3\u0dd9\u0dc0\u0dd2\u0db8\u200b | PH lesson 4 | physical chemistry iin sinhala\" width=\"696\" height=\"392\" src=\"https:\/\/www.youtube.com\/embed\/jSvfh0qDCQQ?feature=oembed&#038;enablejsapi=1\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\r\n<\/div>\r\n<\/figure>\r\n\r\n\r\n<hr class=\"wp-block-separator is-style-wide\" \/>\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\u00a0<\/h3>\r\n<h3 style=\"text-align: center\"><span style=\"color: #333399\"><strong>\u0daf\u0dd4\u0db6\u0dbd<\/strong> <strong>\u0d85\u0db8\u0dca\u0dbd<\/strong> <strong>\u0dc3\u0db3\u0dc4\u0dcf<\/strong> <strong>\u0d94\u0dc3\u0dca\u0dc0\u0dbd\u0dca\u0da9\u0dca\u0d9c\u0dda<\/strong> <strong>\u0dad\u0db1\u0dd4\u0d9a\u0d9a\u0dbb\u0dab<\/strong> <strong>\u0db1\u0dd2\u0dba\u0db8\u0dba<\/strong><\/span><u><\/u><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>&#8221; <\/strong>\u0db1\u0dd2\u0dba\u0dad \u0d8b\u0dc2\u0dca\u0dab\u0dad\u0dca\u0dc0\u0dba\u0dda\u0daf\u0dd3 \u0d9a\u0dd2\u0dc3\u0dd2\u0dba\u0db8\u0dca \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db4\u0dca\u200d\u0dbb\u0db8\u0dcf\u0dab\u0dba \u0d91\u0dc4\u0dd2 \u0dc3\u0dcf\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dab\u0dba\u0dda \u0dc0\u0dbb\u0dca\u0d9c\u0db8\u0dd6\u0dbd\u0dba\u0da7 \u0db4\u0dca\u200d\u0dbb\u0dad\u0dd2\u0dbd\u0ddd\u0db8\u0dc0 \u0dc3\u0db8\u0dcf\u0db1\u0dd4\u0db4\u0dcf\u0dad\u0dd2\u0d9a \u0dc0\u0dda.<strong>&#8220;<\/strong><\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>HA \u0dba\u0db1\u0dd4 \u0d92\u0d9a \u0db7\u0dcf\u0dc2\u0dca\u0db8\u0dd2\u0d9a \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba\u0dda \u0db8\u0dc0\u0dd4\u0dbd n \u0db4\u0dca\u200d\u0dbb\u0db8\u0dcf\u0dab\u0dba\u0d9a\u0dca \u0db4\u0dbb\u0dd2\u0db8\u0dcf\u0dc0 Vdm<sup>-3<\/sup> \u0dc0\u0db1 \u0da2\u0dbd\u0dd3\u0dba \u0daf\u0dca\u200d\u0dbb\u0dcf\u0dc0\u0dab\u0dba\u0d9a\u0dca \u0dad\u0dd4\u0dc5 \u0db7\u0dcf\u0d9c\u0dd2\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba\u0dd9\u0db1\u0dca \u0dc3\u0db8\u0dad\u0dd4\u0dbd\u0dd2\u0dad\u0dc0 \u0db4\u0dc0\u0dad\u0dd2\u0db1 \u0d85\u0dc0\u0dc3\u0dca\u0dae\u0dcf\u0dc0\u0d9a\u0dca \u0dc3\u0dbd\u0d9a\u0db8\u0dd4 . \u0dad\u0dc0\u0daf \u0db8\u0dc0\u0dd4\u0dbd n \u0db4\u0dca\u200d\u0dbb\u0db8\u0dcf\u0dab\u0dba V\u0db4\u0dbb\u0dd2\u0db8\u0dcf\u0dc0 \u0dad\u0dd4\u0dc5 \u0d87\u0dad\u0dd2 \u0dc0\u0dd2\u0da7 \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba\u0dda \u0dc3\u0dcf\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dab\u0dba C mol dm<sup>-3<\/sup> \u0dba\u0dd0\u0dba\u0dd2 \u0daf,\u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba\u0dda \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db1\u0dd2\u0dba\u0dad\u0dba K<sub>a<\/sub> \u0dba\u0dd0\u0dba\u0dd2 \u0daf, \u0d91\u0dc4\u0dd2 \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db4\u0dca\u200d\u0dbb\u0db8\u0dcf\u0dab\u0dba \ud835\udefc \u0dba\u0dd0\u0dba\u0dd2\u0daf \u0dc3\u0dd2\u0dad\u0db8\u0dd4.<\/li>\r\n<\/ul>\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\alpha\\;\\alpha\\;\\frac1{\\sqrt C}<\/span><\/p>\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table\">\r\n<table style=\"width: 99.9136%;height: 314px\">\r\n<thead>\r\n<tr style=\"height: 60px\">\r\n<td style=\"width: 19.3182%;height: 54px\">\u00a0<\/td>\r\n<td style=\"text-align: center;width: 28.5714%;height: 54px\">HA<sub>(aq)<\/sub> +\u00a0\u00a0<\/td>\r\n<td style=\"text-align: center;width: 17.2078%;height: 54px\">H<sub>2<\/sub>O<sub>(l)<\/sub>\u00a0\u00a0 \u00a0\u21cc<\/td>\r\n<td style=\"text-align: center;width: 15.7468%;height: 54px\">\u00a0H<sub>3<\/sub>O<sup>+<\/sup><sub>(aq)<\/sub><\/td>\r\n<td style=\"text-align: center;width: 17.8571%;height: 54px\">+\u00a0 \u00a0A\u00af<sub>(aq)<\/sub><\/td>\r\n<\/tr>\r\n<tr style=\"height: 52px\">\r\n<td style=\"width: 19.3182%;height: 52px\">\u0d86\u0dbb\u0db8\u0dca\u0db7\u0d9a \u0db8\u0dc0\u0dd4\u0dbd<\/td>\r\n<td style=\"width: 28.5714%;height: 52px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm n<\/span><\/td>\r\n<td style=\"width: 17.2078%;height: 52px\">\u00a0<\/td>\r\n<td style=\"width: 15.7468%;height: 52px;text-align: center\">&#8211;<\/td>\r\n<td style=\"width: 17.8571%;height: 52px;text-align: center\">&#8211;<\/td>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr style=\"height: 52px\">\r\n<td style=\"width: 19.3182%;height: 52px\">\u0dc0\u0dd0\u0dba\u0dc0\u0db1 \u0db8\u0dc0\u0dd4\u0dbd<\/td>\r\n<td style=\"width: 28.5714%;height: 52px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">-\\mathrm{n\u03b1}<\/span><\/td>\r\n<td style=\"width: 17.2078%;height: 52px\">\u00a0<\/td>\r\n<td style=\"width: 15.7468%;height: 52px;text-align: center\"><br \/><span class=\"wp-katex-eq\" data-display=\"false\">+\\mathrm{n\u03b1}&lt;br \/&gt;<\/span><\/td>\r\n<td style=\"width: 17.8571%;height: 52px;text-align: center\"><br \/><span class=\"wp-katex-eq\" data-display=\"false\">+\\mathrm{n\u03b1}&lt;br \/&gt;<\/span><\/td>\r\n<\/tr>\r\n<tr style=\"height: 52px\">\r\n<td style=\"width: 19.3182%;height: 52px\">\u0dc3\u0db8\u0dad\u0dd4\u0dbd\u0dd2\u0dad \u0db8\u0dc0\u0dd4\u0dbd<\/td>\r\n<td style=\"width: 28.5714%;height: 52px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm n-\\;\\mathrm{n\u03b1}<\/span><\/td>\r\n<td style=\"width: 17.2078%;height: 52px\">\u00a0<\/td>\r\n<td style=\"width: 15.7468%;height: 52px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm{n\u03b1}<\/span><\/td>\r\n<td style=\"width: 17.8571%;height: 52px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm{n\u03b1}<\/span><\/td>\r\n<\/tr>\r\n<tr style=\"height: 26px\">\r\n<td style=\"width: 19.3182%;height: 26px\">\u00a0<\/td>\r\n<td style=\"width: 28.5714%;height: 26px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm n(1-\\mathrm\\alpha)<\/span><\/td>\r\n<td style=\"width: 17.2078%;height: 26px\">\u00a0<\/td>\r\n<td style=\"width: 15.7468%;height: 26px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm{n\u03b1}<\/span><\/td>\r\n<td style=\"width: 17.8571%;height: 26px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm{n\u03b1}<\/span><\/td>\r\n<\/tr>\r\n<tr style=\"height: 52px\">\r\n<td style=\"width: 19.3182%;height: 52px\">[\u0dc3\u0db8\u0dad\u0dd4\u0dbd\u0dd2\u0dad]<\/td>\r\n<td style=\"width: 28.5714%;height: 52px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\frac{\\mathrm n(1-\\mathrm\\alpha)}{\\mathrm V}<\/span><\/td>\r\n<td style=\"width: 17.2078%;height: 52px\">\u00a0<\/td>\r\n<td style=\"width: 15.7468%;height: 52px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\frac{\\mathrm{n\u03b1}}{\\mathrm V}<\/span><\/td>\r\n<td style=\"width: 17.8571%;height: 52px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\frac{\\mathrm{n\u03b1}}{\\mathrm V}<\/span><\/td>\r\n<\/tr>\r\n<tr style=\"height: 26px\">\r\n<td style=\"width: 19.3182%;height: 26px\">\u00a0<\/td>\r\n<td style=\"width: 28.5714%;height: 26px;text-align: center\">\u00a0<span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm C(1-\\mathrm\\alpha) <\/span><\/td>\r\n<td style=\"width: 17.2078%;height: 26px\">\u00a0<\/td>\r\n<td style=\"width: 15.7468%;height: 26px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm{C\u03b1}<\/span><\/td>\r\n<td style=\"width: 17.8571%;height: 26px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm{C\u03b1}<\/span><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n<p class=\"has-text-align-center\">(n\u00f7V = C)\u00a0\u00a0<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>\u0d86\u0db8\u0dca\u0dbd\u0dd2\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db1\u0dd2\u0dba\u0dad\u0dba \u0dc3\u0dd0\u0dbd\u0d9a\u0dd3\u0db8\u0dd9\u0db1\u0dca,<\/li>\r\n<\/ul>\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}{\\mathrm K}_{\\mathrm a\\;}&amp;=&amp;\\frac{\\left[{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}\\right]\\left[{\\mathrm A^-}_{(\\mathrm{aq})}\\right]}{\\left[{\\mathrm{HA}}_{(\\mathrm{aq})}\\right]}\\\\&amp;&amp;\\\\&amp;=&amp;\\frac{\\left(\\mathrm{C\u03b1}\\right)\\left(\\mathrm{C\u03b1}\\right)}{\\mathrm C\\left(1-\\mathrm\\alpha\\right)}\\\\&amp;&amp;\\\\&amp;=&amp;\\frac{\\mathrm C^2\\mathrm\\alpha^2}{\\mathrm C\\left(1-\\mathrm\\alpha\\right)}\\\\&amp;&amp;\\\\&amp;=&amp;\\frac{\\mathrm{C\u03b1}^2}{\\left(1-\\mathrm\\alpha\\right)}\\\\&amp;&amp;\\end{array}<\/span><\/p>\r\n\r\n\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><span class=\"has-inline-color has-vivid-red-color\">\ud835\udefc &lt;&lt; 1\u00a0 \u0db6\u0dd0\u0dc0\u0dd2\u0db1\u0dca (1-\ud835\udefc) ~ 1 \u0dba\u0dd0\u0dba\u0dd2 \u0dc3\u0dd0\u0dbd\u0d9a\u0dd2\u0dba \u0dc4\u0dd0\u0d9a. \u0d91\u0dc0\u0dd2\u0da7<\/span>,<\/li>\r\n<\/ul>\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{c}\\mathrm{Ka}\\;=\\mathrm{C\u03b1}^2\\\\\\\\\\mathrm\\alpha\\;=\\;\\sqrt{\\frac{\\mathrm{Ka}}{\\mathrm C}}\\\\\\end{array}<\/span>\u00a0<\/p>\r\n<ul>\r\n<li>\u0d8b\u0dc2\u0dca\u0dab\u0dad\u0dca\u0dc0\u0dba \u0db1\u0dd2\u0dba\u0dad\u0dc0 \u0db4\u0dc0\u0dad\u0dd2\u0db1 \u0dad\u0dcf\u0d9a\u0dca Ka \u0db1\u0dd2\u0dba\u0dad \u0db6\u0dd0\u0dc0\u0dd2\u0db1\u0dca ka \u0daf \u0db1\u0dd2\u0dba\u0dad \u0d85\u0d9c\u0dba\u0d9a\u0dca \u0dba\u0dd0\u0dba\u0dd2 \u0dc3\u0dd0\u0dbd\u0d9a\u0dd2\u0dba \u0dc4\u0dd0\u0d9a\u0dd2 \u0db1\u0dd2\u0dc3\u0dcf,<\/li>\r\n<\/ul>\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{l}\\mathrm\\alpha\\;\\;\\;\\mathrm\\alpha\\;\\;\\;\\frac1{\\sqrt{\\mathrm C}}\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\end{array}<\/span><\/p>\r\n<ul>\r\n<li style=\"text-align: left\">\u0db8\u0dd9\u0dba \u0d94\u0dc3\u0dca\u0dc0\u0dbd\u0dca\u0da9\u0dca\u0d9c\u0dda \u0dad\u0db1\u0dd4\u0d9a\u0d9a\u0dbb\u0dab \u0db1\u0dd2\u0dba\u0db8\u0dba \u0dba\u0dd2.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\u00a0<\/h3>\r\n<h3><span class=\"has-inline-color has-vivid-red-color\">\u0dc0\u0dd2\u0dc1\u0dda\u0dc2 \u0d9a\u0dbb\u0dd4\u0dab\u0dd4<\/span><\/h3>\r\n\r\n\r\n\r\n<p>\u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd \u0d86\u0dc1\u0dca\u200d\u0dbb\u0dd2\u0dad \u0d9c\u0dd0\u0da7\u0dc5\u0dd4\u0dc0\u0d9a\u0daf\u0dd2 \u0d85\u0dc0\u0dc1\u0dca\u200d\u0dba\u0dad\u0dc0\u0dba \u0db8\u0dad \u0dc0\u0dca\u200d\u0dba\u0dd4\u0dad\u0dca\u0db4\u0db1\u0dca\u0db1 \u0d9a\u0dd2\u0dbb\u0dd3\u0db8\u0d9a\u0dca \u0db1\u0dd0\u0dad\u0dd2\u0dc0\u0daf \u00a0<\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis: 66.66%\">\r\n\r\n\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{l}\\mathrm{Ka}\\;=\\;\\mathrm{C\u03b1}^2\\;\\;\\text{\u0dc4\u0dcf\u00a0\u00a0\u03b1 =\u00a0}\\sqrt{\\frac{\\mathrm{Ka}}{\\mathrm C}}\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\end{array}<\/span><\/p>\r\n<p style=\"text-align: left\">\u0dba\u0db1 \u0dc3\u0db8\u0dd3\u0d9a\u0dbb\u0dab \u0dba\u0dd9\u0daf\u0dd2\u0dba \u0dc4\u0dd0\u0d9a.<\/p>\r\n<p>&nbsp;<\/p>\r\n<\/div>\r\n<\/div>\r\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\r\n<div class=\"wp-block-embed__wrapper\">\r\n<p><iframe loading=\"lazy\" title=\"\u0d95\u0dc3\u0dca\u0dc0\u0dbd\u0dca\u0da9\u0dd2 \u0dad\u0db1\u0dd4\u0d9a\u0dbb\u0dab\u0dca \u0db1\u0dd2\u0dba\u0db8\u0dba \/ PH lessons 7 \/  physical chemistry in sinhala\" width=\"696\" height=\"392\" src=\"https:\/\/www.youtube.com\/embed\/a7QppZFtTvQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\r\n<\/div>\r\n<\/figure>\r\n\r\n\r\n\r\n<h3>\u00a0<\/h3>\r\n<h3 style=\"text-align: center\"><span style=\"color: #333399\"><strong>\u0daf\u0dd4\u0db6\u0dbd<\/strong> <strong>\u0d85\u0db8\u0dca\u0dbd<\/strong> <strong>\u0daf\u0dca<\/strong><strong>\u200d<\/strong><strong>\u0dbb\u0dcf\u0dc0\u0dab\u0dba\u0d9a<\/strong><strong> p<sup>H<\/sup> <\/strong><strong>\u0d85\u0d9c\u0dba<\/strong><\/span><u><\/u><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>HA \u0dba\u0db1\u0dd4 \u0d92\u0d9a \u0db7\u0dcf\u0dc2\u0dca\u0db8\u0dd2\u0d9a \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba \u0da2\u0dbd\u0dd3\u0dba \u0daf\u0dca\u200d\u0dbb\u0dcf\u0dc0\u0dab\u0dba\u0d9a\u0dca \u0dad\u0dd4\u0dc5 \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba \u0dc0\u0dd3\u0db8\u0dd9\u0db1\u0dca \u0d87\u0dad\u0dd2\u0dc0\u0db1 \u0db4\u0dca\u200d\u0dbb\u0ddd\u0da7\u0ddd\u0db1 \u0dc4\u0dd4\u0dc0\u0db8\u0dcf\u0dbb\u0dd4 \u0dc3\u0db8\u0dad\u0dd4\u0dbd\u0dd2\u0dad\u0dba \u0dc3\u0dbd\u0d9a\u0db8\u0dd4 .<\/li>\r\n<\/ul>\r\n<p style=\"padding-left: 80px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">{\\mathrm{HA}}_{(\\mathrm{aq})}+{\\mathrm H}_2{\\mathrm O}_{(\\mathrm l)}\\overset{\\mathrm{Ka}}\\leftrightharpoons{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}+\\mathrm A\u00af_{(\\mathrm{aq})}<\/span><\/p>\r\n\r\n\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>\u0dc3\u0db8\u0dad\u0dd4\u0dbd\u0dd2\u0dad\u0dba \u0dc3\u0db3\u0dc4\u0dcf \u0d94\u0dc3\u0dca\u0dc0\u0dbd\u0dca\u0da9\u0dca\u0d9c\u0dda \u0dad\u0db1\u0dd4\u0d9a\u0d9a\u0dbb\u0dab \u0db1\u0dd2\u0dba\u0db8\u0dba \u0dba\u0dd9\u0daf\u0dd3\u0db8\u0dd9\u0db1\u0dca \u0d85\u0db8\u0dca\u0dbd\u0dba\u0dda \u0d86\u0dbb\u0db8\u0dca\u0db7\u0d9a \u0dc3\u0dcf\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dab\u0dba\u00a0 C mol dm<sup>-3<\/sup> \u0daf, \u0d85\u0db8\u0dca\u0dbd\u0dba\u0dda \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db4\u0dca\u200d\u0dbb\u0db8\u0dcf\u0dab\u0dba \ud835\udefc \u0dba\u0dd0\u0dba\u0dd2 \u0dc3\u0dd0\u0dbd\u0d9a\u0dd6 \u0dc0\u0dd2\u0da7,<\/li>\r\n<\/ul>\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{l}\\mathrm{Ka}\\;=\\;\\mathrm{C\u03b1}^2\\;\\;\\text{\u0dc4\u0dcf\u00a0\u00a0\u03b1\u00a0=\u00a0}\\sqrt{\\frac{\\mathrm{Ka}}{\\mathrm C}}\\\\\\end{array}<\/span><\/p>\r\n<p style=\"text-align: left\">\u0db1\u0db8\u0dd4\u0dad\u0dca \u0d94\u0dc3\u0dca\u0dc0\u0dbd\u0dca\u0da9\u0dca\u0d9c\u0dda \u0dad\u0db1\u0dd4\u0d9a\u0d9a\u0dbb\u0dab \u0db1\u0dd2\u0dba\u0db8\u0dba\u0da7 \u0d85\u0daf\u0dcf\u0dc5 \u0d95\u0db1\u0dd1\u0db8 \u0dc3\u0dcf\u0db0\u0dcf\u0dbb\u0dab \u0d85\u0dc0\u0dc3\u0dca\u0dae\u0dcf\u0dc0\u0d9a\u0daf\u0dd3 \u0d85\u0db8\u0dca\u0dbd\u0dba \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba \u0dc4\u0dda\u0dad\u0dd4\u0d9a\u0ddc\u0da7\u0d9c\u0dd9\u0db1 \u0da2\u0db1\u0dd2\u0dad \u0dc0\u0db1 [H<sub>3<\/sub>O<sup>+<\/sup><sub>(aq)<\/sub>] \u0db4\u0dca\u200d\u0dbb\u0d9a\u0dcf\u0dc1\u0db1\u0dcf\u0dad\u0dca\u0db8\u0d9a\u0dc0 C\ud835\udefc \u0dba\u0dd0\u0dba\u0dd2\u00a0 \u0dc3\u0dd0\u0dbd\u0d9a\u0dd2\u0dba \u0dc4\u0dd0\u0d9a.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>(1)\u0db1\u0dca ,<\/li>\r\n<\/ul>\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\left[{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}\\right]\\;&amp;=&amp;\\;\\mathrm{C\u03b1}\\\\&amp;=&amp;\\;\\mathrm C\\left(\\sqrt{\\frac{\\mathrm{Ka}}{\\mathrm C}}\\right)\\\\\\left[{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}\\right]\\;&amp;=&amp;\\sqrt{\\mathrm{KaC}}\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\\\&amp;&amp;\\end{array}<\/span><\/p>\r\n<ul>\r\n<li style=\"text-align: left\">pH \u0d85\u0d9c\u0dba \u0d9c\u0dab\u0db1\u0dba \u0d9a\u0dd2\u0dbb\u0dd3\u0db8 \u0dc3\u0db3\u0dc4\u0dcf \u0dc0\u0db1 \u0dbd\u0d9d\u0dd4\u0d9c\u0dab\u0d9a \u0dc3\u0db8\u0dd3\u0d9a\u0dbb\u0dab\u0dba \u0dc3\u0dd0\u0dbd\u0d9a\u0dd6 \u0dc0\u0dd2\u0da7,<\/li>\r\n<\/ul>\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\begin{array}{rcl}\\mathrm P^{\\mathrm H}\\;&amp;=&amp;\\;-\\log_{10\\;\\;}\\left(\\frac{\\sqrt{\\mathrm{KaC}}\\;\\mathrm{moldm}^{-3}}{1\\;\\mathrm{moldm}^{-3}}\\right)\\end{array}<\/span><\/p>\r\n<ul>\r\n<li style=\"text-align: left\">\u0db8\u0dd9\u0db8 \u0dc3\u0db8\u0dd3\u0d9a\u0dbb\u0dab\u0dba \u0db6\u0ddc\u0dc4\u0ddd \u0dbb\u0da0\u0db1\u0dcf\u0db8\u0dba \u0d9c\u0dd0\u0da7\u0dc5\u0dd4 \u0dc0\u0dbd\u0daf\u0dd3 \u0dc0\u0dca\u200d\u0dba\u0dd4\u0dad\u0dca\u0db4\u0db1\u0dca\u0db1 \u0d9a\u0dbb \u0db7\u0dcf\u0dc0\u0dd2\u0dad \u0d9a\u0dc5 \u0dba\u0dd4\u0dad\u0dd4 \u0db1\u0db8\u0dd4\u0dad\u0dca \u0d9a\u0dd9\u0da7\u0dd2 \u0db4\u0dca\u200d\u0dbb\u0dc1\u0dca\u0db1 \u0dc0\u0dbd\u0daf\u0dd3 \u0d8d\u0da2\u0dd4\u0dc0\u0db8 \u0db7\u0dcf\u0dc0\u0dd2\u0dad\u0dcf \u0d9a\u0dc5 \u0dc4\u0dd0\u0d9a.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">\u00a0<\/h3>\r\n<h3 style=\"text-align: center\"><span style=\"color: #333399\"><strong>\u0daf\u0dd4\u0db6\u0dbd<\/strong> <strong>\u0d85\u0db8\u0dca\u0dbd<\/strong> <strong>\u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba<\/strong> <strong>\u0dc3\u0db3\u0dc4\u0dcf<\/strong> <strong>\u0dc4\u0dd9\u0db1\u0dca\u0da9\u0dbb\u0dca\u0dc3\u0db1\u0dca<\/strong> <strong>\u0dc3\u0db8\u0dd3\u0d9a\u0dbb\u0dab\u0dba<\/strong><\/span><\/h3>\r\n<p>\u0dc3\u0da7\u0dc4\u0db1 01:<\/p>\r\n<h4 style=\"text-align: center\"><strong>\u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd \u0dc0\u0dbd \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba \u0dc3\u0db3\u0dc4\u0dcf \u0dc0\u0db1 \u0dc4\u0dd9\u0db1\u0dca\u0da9\u0dbb\u0dca\u0dc3\u0db1\u0dca \u0dc3\u0db8\u0dd3\u0d9a\u0dbb\u0dab\u0dba<\/strong><\/h4>\r\n<p>\u0db7\u0dcf\u0d9c\u0dd2\u0d9a \u0dc0\u0dc1\u0dba\u0dd9\u0db1\u0dca \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba \u0dc0\u0db1 \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba\u0d9a pH \u0d85\u0d9c\u0dba \u0d8d\u0da2\u0dd4\u0dc0\u0db8 \u0d9c\u0dab\u0db1\u0dba \u0d9a\u0dd2\u0dbb\u0dd2\u0db8 \u0dc3\u0daf\u0dc4\u0dcf \u0dc4\u0dd9\u0db1\u0dca\u0da9\u0dbb\u0dca\u0dc3\u0db1\u0dca \u0dc3\u0db8\u0dd3\u0d9a\u0dbb\u0dab\u0dba \u0dc0\u0dca\u200d\u0dba\u0dd4\u0dad\u0dca\u0db4\u0db1\u0dca\u0db1 \u0d9a\u0dbb \u0d87\u0dad.<\/p>\r\n<p>HA \u0dba\u0db1\u0dd4 \u0d92\u0d9a \u00a0\u0db7\u0dc2\u0dca\u0db8\u0dd2\u0d9a \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba \u0da2\u0dbd\u0dd3\u0dba \u0daf\u0dca\u200d\u0dbb\u0dcf\u0dc0\u0dab\u0dba\u0d9a\u0dca \u0dad\u0dd4\u0dc5 \u0d87\u0dad\u0dd2\u0d9a\u0dbb \u0d9c\u0db1\u0dca\u0db1\u0dcf \u0db4\u0dca\u200d\u0dbb\u0ddd\u0da7\u0ddd\u0db1 \u0dc4\u0dd4\u0dc0\u0db8\u0dcf\u0dbb\u0dd4 \u0db7\u0dcf\u0d9c\u0dd2\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0dc3\u0db8\u0dad\u0dd4\u0dbd\u0dd2\u0dad\u0dba \u0dc3\u0dbd\u0d9a\u0db8\u0dd4 .<\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm{pH}\\;=\\;\\;\\mathrm{pKa}\\;\\;\\;\\;+\\;\\;\\;\\frac{\\log\\;\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\;\\rbrack}{\\lbrack{\\mathrm{HA}}_{(\\mathrm{aq})}\\rbrack}\\;<\/span><\/p>\r\n<p style=\"text-align: center\">\u00a0 \u00a0\u0dc4\u0ddd<\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm{pH}\\;=\\;\\;\\mathrm{pKa}\\;\\;+\\;\\;\\log\\;\\;\\frac{\\lbrack\\;\\mathrm{\u0dc3\u0d82\u0dba\u0dd4\u0d9c\u0dca\u0db8\u0d9a}\\;\\mathrm{\u0db7\u0dc3\u0dca\u0db8\u0dba}\\;\\rbrack}{\\lbrack\\mathrm{\u0d85\u0db8\u0dca\u0dbd\u0dba}\\rbrack}\\;<\/span><\/p>\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">{\\mathrm{HA}}_{(\\mathrm{aq})\\;}\\;+\\;{\\mathrm H}_2{\\mathrm O}_{(\\mathrm l)\\;}\\;\u2967\\;\\;{\\mathrm H}_3\\mathrm O^+\\;_{(\\mathrm{aq})\\;}\\;+\\;\\mathrm A^-\\;_{(\\mathrm{aq})}<\/span><\/p>\r\n<p>\u0d86\u0db8\u0dca\u0dbd\u0dd2\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba \u0db1\u0dd2\u0dba\u0dad\u0dba \u0dc3\u0dd0\u0dbd\u0d9a\u0dd3\u0db8\u0dd9\u0db1\u0dca ,<\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm{Ka}\\;=\\;\\frac{\\lbrack{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}\\rbrack\\;\\lbrack{\\mathrm A^-}_{(\\mathrm{aq})}\\rbrack}{\\lbrack{\\mathrm{HA}}_{(\\mathrm{aq})}\\rbrack}\\;\\;\\;------\\boxed2<\/span><\/p>\r\n<p>(1) \u0dc4\u0dd2 \u0daf\u0dd9\u0db4\u0dc3\u0db8 10 \u0db4\u0dcf\u0daf\u0dba\u0da7 -log \u00a0\u0dc3\u0dd0\u0dbd\u0d9a\u0dd6 \u0dc0\u0dd2\u0da7,<\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">-\\log_{10}\\mathrm{Ka}\\;\\;=\\;-\\log_{10\\;}\\frac{\\lbrack{\\mathrm H}_3\\mathrm O^+\\;_{(\\mathrm{aq})}\\rbrack\\;\\;\\;\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\rbrack}{\\lbrack{\\mathrm{HA}}_{(\\mathrm{aq})}\\rbrack}<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">-\\log_{10}\\mathrm{Ka}=-\\log_{10}\\lbrack{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}\\rbrack\\;+\\;\\log_{10}\\;\\;\\frac{\\lbrack\\mathrm A^-\\;(\\mathrm{aq})\\rbrack\\;\\;}{\\lbrack{\\mathrm{HA}}_{(\\mathrm{aq})}\\rbrack}<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">-\\log_{10}\\mathrm{Ka}=-\\log_{10}\\lbrack{\\mathrm H}_3{\\mathrm O^+}_{(\\mathrm{aq})}\\rbrack\\;+\\;\\begin{bmatrix}-\\log_{10}&amp;\\frac{\\lbrack\\mathrm A^-(\\mathrm{aq})\\rbrack}{\\lbrack{\\mathrm{HA}}_{(\\mathrm{aq})}\\rbrack}\\end{bmatrix}<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm{pKa}\\;\\;=\\;\\;\\mathrm{pH}\\;\\;-\\;\\log10\\frac{\\lbrack\\mathrm A^-(\\mathrm{aq})\\rbrack}{\\lbrack{\\mathrm{HA}}_{(\\mathrm{aq})}\\rbrack}<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\boxed{\\mathrm{pH}\\;=\\;\\;\\mathrm{pKa}\\;\\;\\;+\\;\\;\\;\\log_{10}\\frac{\\lbrack{\\mathrm A^-}_{(\\mathrm{aq})\\;}\\rbrack}{\\lbrack{\\mathrm{HA}}_{(\\mathrm{aq})}\\rbrack}}<\/span><\/p>\r\n<p>\u0db8\u0dd9\u0dba \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd \u0dc3\u0daf\u0dc4\u0dcf \u0dc4\u0dd9\u0db1\u0dca\u0da9\u0dbb\u0dca\u0dc3\u0db1\u0dca \u0dc3\u0db8\u0dd3\u0d9a\u0dbb\u0dab\u0dba \u0dba\u0dd2. \u00a0\u00a0\u00a0\u00a0<\/p>\r\n<p><span style=\"color: #ff0000\">\u00a0\u0d89\u0dc4\u0dad \u0d9a\u0dca\u200d\u0dbb\u0db8 \u0daf\u0dd9\u0d9a\u0db8 \u0db8\u0d9f\u0dd2\u0db1\u0dca p<sup>H<\/sup> \u0d85\u0d9c\u0dba \u0d9c\u0dab\u0db1\u0dba \u0d9a\u0dc5 \u0dc4\u0dd0\u0d9a.<\/span><\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n<h3 style=\"text-align: center\"><span style=\"color: #333399\"><strong>\u0daf\u0dd4\u0db6\u0dbd<\/strong> <strong>\u0d85\u0db8\u0dca\u0dbd\u0dba\u0d9a\u0dca<\/strong> <strong>\u0d85\u0db1\u0dd4\u0db8\u0dcf\u0db4\u0db1\u0dba\u0dda\u0daf\u0dd3<\/strong> <strong>\u0dc3\u0db8\u0d9a\u0dad\u0dcf<\/strong> <strong>\u0dbd\u0d9a\u0dca\u0dc2\u0dba\u0dda<\/strong><strong> pH <\/strong><strong>\u0d85\u0d9c\u0dba<\/strong> <strong>\u0d9c\u0dab\u0db1\u0dba<\/strong> <strong>\u0d9a\u0dd2\u0dbb\u0dd3\u0db8<\/strong><strong> .<\/strong><\/span><\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>\u0db4\u0dca\u200d\u0dbb\u0db7\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba\u0d9a\u0dca \u0dc0\u0dd2\u0dc3\u0dd2\u0db1\u0dca \u0dc3\u0dcf\u0daf\u0db1 \u0daf\u0dca\u200d\u0dbb\u0dcf\u0dc0\u0dab\u0dba\u0d9a\u0dca \u0d8b\u0daf\u0dcf\u0dc3\u0dd3\u0db1\u0d9a\u0dbb\u0dab\u0dba \u0d9a\u0dd2\u0dbb\u0dd3\u0db8\u0dda\u0daf\u0dd2 \u0dc3\u0db8\u0d9a\u0dad\u0dcf \u0dbd\u0d9a\u0dca\u0dc2\u0dba\u0da7 \u0d85\u0daf\u0dcf\u0dc5\u0dc0 pH \u0d85\u0d9c\u0dba \u0da2\u0dbd\u0dba\u0dda \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba\u0dd9\u0db1\u0dca \u0da2\u0db1\u0dd2\u0dad\u0dc0\u0db1 H<sup>+<\/sup> \u0dc4\u0ddd OH\u00af \u0dc3\u0dcf\u0db1\u0dca\u0daf\u0dca\u200d\u0dbb\u0dab\u0dba\u0da7 \u0d85\u0db1\u0dd4\u0dbb\u0dd6\u0db4 \u0dc0\u0dda.<\/li>\r\n<li>\u0db1\u0db8\u0dd4\u0dad\u0dca \u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd\u0dba\u0d9a\u0dca \u0d8b\u0daf\u0dcf\u0dc3\u0dd3\u0db1\u0d9a\u0dbb\u0dab\u0dba \u0dc0\u0dd3\u0db8\u0dd9\u0db1\u0dca \u0dc3\u0db8\u0d9a\u0dad\u0dcf \u0dbd\u0d9a\u0dca\u0dc2\u0dba\u0da7 \u0d91\u0dc5\u0db9\u0dd3\u0db8 \u0dc0\u0dd9\u0db1\u0dc3\u0dca \u0db8\u0d9f\u0d9a\u0dca \u0d9c\u0db1\u0dd4 \u0dbd\u0db6\u0dba\u0dd2.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>\u0d8b\u0daf\u0dcf:\u00a0 <strong>HA \u0dba\u0db1\u0dd4<\/strong>\u00a0<strong>\u0d92\u0d9a<\/strong> <strong>\u0db7\u0dcf\u0dc2\u0dca\u0db8\u0dd2\u0d9a<\/strong> <strong>\u0daf\u0dd4\u0db6\u0dbd<\/strong> <strong>\u0d85\u0db8\u0dca\u0dbd\u0dba\u0dda<\/strong> <strong>\u0dc3\u0dcf\u0db8\u0dca\u0db4\u0dbd\u0dba\u0d9a\u0dca<\/strong><strong> NaOH <\/strong><strong>\u0db8\u0d9f\u0dd2\u0db1\u0dca<\/strong> <strong>\u0dc4\u0dbb\u0dd2\u0dba\u0da7\u0db8<\/strong> <strong>\u0d8b\u0daf\u0dcf\u0dc3\u0dd3\u0db1<\/strong><strong>\u0d9a\u0dbb\u0dab\u0dba\u0dd9\u0db1\u0dca<\/strong> <strong>\u0dc3\u0db8\u0d9a\u0dad\u0dcf<\/strong> <strong>\u0dbd\u0d9a\u0dca\u0dc2\u0dba\u0da7<\/strong> <strong>\u0d91\u0dc5<\/strong>\u0db9\u0dd9<strong>\u0db1<\/strong>\u00a0<strong>\u0d85\u0dc0\u0dc3\u0dca\u0dae\u0dcf\u0dc0<\/strong> <strong>\u0dc3\u0dbd\u0d9a\u0db8\u0dd4<\/strong><strong>.<\/strong><\/p>\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">{\\mathrm{HA}}_{(\\mathrm{aq})}+\\;{\\mathrm{NaOH}}_{(\\mathrm{aq})}\\;\\rightarrow\\;{\\mathrm{NaA}}_{(\\mathrm{aq})}\\;\\;+\\;{\\mathrm H}_2{\\mathrm O}_{(\\mathrm{aq})}<\/span><\/p>\r\n\r\n\r\n\r\n<p class=\"has-text-align-left\" style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">{\\mathrm{NaA}}_{(\\mathrm{aq})}\\;\\rightarrow\\;{\\mathrm A^{-\\;}}_{(\\mathrm{aq})}\\;+\\;{\\mathrm{Na}^+}_{(\\mathrm{aq})}<\/span><\/p>\r\n\r\n\r\n\r\n<p style=\"text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm A\u00af_{(\\mathrm{aq})}+\\;{\\mathrm H}_2{\\mathrm O}_{(\\mathrm{aq})\\;}\\overset{{\\mathrm K}_{\\mathrm b}}\\leftrightharpoons\\;{\\mathrm{HA}}_{(\\mathrm{aq})}\\;\\;+\\;{\\mathrm{OH}^-}_{(\\mathrm{aq})}<\/span><\/p>\r\n\r\n\r\n\r\n<p>A\u00af<sub>(aq)<\/sub> \u0dc4\u0dd2 \u0db7\u0dcf\u0dc2\u0dca\u0db8\u0dd2\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db1\u0dd2\u0dba\u0dad\u0dba \u0dc3\u0dd0\u0dbd\u0d9a\u0dd3\u0db8\u0dd9\u0db1\u0dca,<\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">{\\mathrm K}_{\\mathrm b}\\;=\\frac{\\lbrack{\\mathrm{HA}}_{(\\mathrm{aq})}\\rbrack\\;\\lbrack\\mathrm{OH}^-\\;_{(\\mathrm{aq})}\\rbrack}{\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\rbrack}\\;<\/span><\/p>\r\n<p>\u0db1\u0db8\u0dd4\u0dad\u0dca \u00a0[HA]\u00a0 = [OH<sup>&#8211;<\/sup>] \u0db1\u0dd2\u0dc3\u0dcf,<\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">{\\mathrm K}_{\\mathrm b}\\;\\;=\\;\\frac{\\lbrack\\mathrm{OH}^-\\;_{(\\mathrm{aq})}\\;\\rbrack\\;^2}{\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\rbrack\\;\\;\\;\\;}\\;\\;\\;------\\boxed1<\/span><\/p>\r\n<p>HA \u0dc4\u0dd2 \u0d86\u0db8\u0dca\u0dbd\u0dd2\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db1\u0dd2\u0dba\u0dad\u0dba K<sub>a<\/sub> \u0dba\u0dd0\u0dba\u0dd2 \u0dc3\u0dd0\u0dbd\u0d9a\u0dd6 \u0dc0\u0dd2\u0da7 A<sup>&#8211; <\/sup>\u00a0\u0dba\u0db1\u0dd4 HA \u0dc4\u0dd2 \u0dc3\u0d82\u0dba\u0dd4\u0d9c\u0dca\u0db8\u0d9a \u0db7\u0dc2\u0dca\u0db8\u0dba \u0db6\u0dd0\u0dc0\u0dd2\u0db1\u0dca K<sub>a<\/sub>\u00d7 K<sub>b <\/sub>= K<sub>w<\/sub> \u0dba\u0dd0\u0dba\u0dd2 \u0d9c\u0dd9\u0db1 \u0d91\u0dc0\u0dd2\u0da7 (1) \u0db1\u0dca,<\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\frac{{\\mathrm K}_{\\mathrm w\\;}\\;}{{\\mathrm K}_{\\mathrm a}}\\;=\\;\\frac{\\lbrack\\mathrm{OH}^-\\;_{(\\mathrm{aq})\\;}\\rbrack^{\\;2}}{\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\;\\rbrack}<\/span><\/p>\r\n<p>\u0daf\u0dd9\u0db4\u0dc3\u0da7 10 \u0db4\u0dcf\u0daf\u0dba\u0dda \u0dbd\u0d9d\u0dd4\u0d9c\u0db1\u0d9a\u0dba\u0dda &#8211; \u0dc0\u0da7\u0dd2\u0db1\u0dcf\u0d9a\u0db8 \u0dc3\u0dd0\u0dbd\u0d9a\u0dd3\u0db8\u0dd9\u0db1\u0dca,<\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">-\\log_{10}\\;\\frac{{\\mathrm K}_{\\mathrm w}\\;\\;}{{\\mathrm K}_{\\mathrm a}\\;}\\;=\\;-\\;\\log_{10}\\;\\;\\frac{\\lbrack\\mathrm{OH}^-\\;_{(\\mathrm{aq})}\\;\\rbrack\\;^2}{\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\;\\rbrack}\\;<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">-\\;\\log_{10}\\;{\\mathrm K}_{\\mathrm w\\;}\\;-\\;(\\;-\\log_{10}\\;{\\mathrm K}_{\\mathrm a}\\;)\\;\\;=\\;-2\\;\\log_{10}\\;\\lbrack\\mathrm{OH}^-\\;_{(\\mathrm{aq})}\\;\\rbrack\\;\\;-\\;(-\\;\\log_{10}\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\;\\rbrack\\;)<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">{\\mathrm{pK}}_{\\mathrm w\\;}\\;-\\;\\;{\\mathrm{pK}}_{\\mathrm a\\;}\\;=\\;2\\;\\mathrm{pOH}\\;\\;+\\;\\;\\log_{10}\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\;\\rbrack<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">{\\mathrm{pK}}_{\\mathrm w}\\;\\;=\\;\\;\\;\\mathrm{pH}\\;\\;\\;+\\;\\;\\;\\mathrm{pOH}<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">{\\mathrm{pK}}_{\\mathrm w}\\;-\\;{\\mathrm{pK}}_{\\mathrm a}\\;\\;=\\;2\\;(\\;{\\mathrm{pK}}_{\\mathrm w}\\;-\\;\\mathrm{pH}\\;)\\;\\;+\\;\\;\\log_{10}\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\;\\rbrack<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">{\\mathrm{pK}}_{\\mathrm w}\\;\\;-\\;{\\mathrm{pK}}_{\\mathrm a}\\;\\;-\\;\\;\\log_{10}\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\;\\rbrack\\;\\;\\;=\\;\\;2{\\mathrm{pK}}_{\\mathrm w}\\;\\;-\\;2\\mathrm{pH}<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">2\\;\\mathrm{pH}\\;\\;=\\;2\\;\\;{\\mathrm{pK}}_{\\mathrm w\\;}\\;-\\;\\;{\\mathrm{pK}}_{\\mathrm w}\\;\\;+\\;\\;\\;\\;{\\mathrm{pK}}_{\\mathrm a}\\;+\\;\\;\\log_{10}\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\;\\rbrack<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">2\\mathrm{pH}\\;=\\;{\\mathrm{pK}}_{\\mathrm w}\\;+\\;\\;{\\mathrm{pK}}_{\\mathrm a\\;}+\\;\\;\\log_{10}\\lbrack\\mathrm A^-\\;_{(\\mathrm{aq})}\\;\\rbrack<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\mathrm{pH}=\\frac12{{\\mathrm{pK}}_{\\mathrm w}\\;+\\;{\\mathrm{pK}}_{\\mathrm a}\\;+\\;\\log_{10}\\lbrack{\\mathrm A^-}_{(\\mathrm{aq})}\\rbrack}<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\"><span class=\"wp-katex-eq\" data-display=\"false\">\\boxed{\\mathrm{pH}=\\frac12{{\\mathrm{pK}}_{\\mathrm w}\\;+\\;{\\mathrm{pK}}_{\\mathrm a}\\;+\\;\\log_{10}\\lbrack{\\mathrm A^-}_{(\\mathrm{aq})}\\rbrack}}<\/span><\/p>\r\n<p style=\"padding-left: 40px;text-align: center\">\u00a0<\/p>\r\n<p style=\"padding-left: 40px\">\u00a0<\/p>\r\n<p style=\"padding-left: 40px\">\u00a0<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\r\n<div class=\"wp-block-embed__wrapper\">\r\n<p><iframe loading=\"lazy\" title=\"\u0daf\u0dd4\u0dbb\u0dca\u0dc0\u0dbd \u0d85\u0db8\u0dca\u0dbd \u0dc0\u0dbd \u0dc3\u0db8\u0dad\u0dd4\u0dbd\u0dd2\u0dad\u0dad\u0dcf\u0dc0\u200b| Equilibrium of weak acids | physical chemistry\" width=\"696\" height=\"392\" src=\"https:\/\/www.youtube.com\/embed\/w-vtRrsh3Jk?feature=oembed&#038;enablejsapi=1\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\r\n<\/div>\r\n<\/figure>\r\n\r\n\r\n\r\n<div class=\"wp-block-spacer\" style=\"height: 100px\" aria-hidden=\"true\">\u00a0<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-buttons aligncenter is-layout-flex wp-block-buttons-is-layout-flex\">\r\n<div class=\"wp-block-button is-style-shadow td_btn_normal\"><a class=\"wp-block-button__link\" style=\"border-radius: 15px\" href=\"https:\/\/drive.google.com\/uc?export=download&amp;id=1ZH-wNGGAIUEjVgg7Wgg-ICqeK5siG4n5\" target=\"_blank\" rel=\"noreferrer noopener\">\u0db4\u0dcf\u0da9\u0db8\u0dda \u0dc3\u0da7\u0dc4\u0db1 Download \u0d9a\u0dbb\u0d9c\u0db1\u0dca\u0db1.<\/a><\/div>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-spacer\" style=\"height: 100px\" aria-hidden=\"true\">\u00a0<\/div>\r\n\r\n\r\n\r\n<p>\u0d89\u0daf\u0dd2\u0dbb\u0dd2\u0dba\u0dda\u0daf\u0dd3 \u0db4\u0dca\u200d\u0dbb\u0dc1\u0dca\u0db1 \u0d87\u0dad\u0dd4\u0dbd\u0dad\u0dca \u0dc0\u0db1\u0dca\u0db1\u0dda \u0db8\u0dd9\u0dad\u0db1\u0da7\u0dba\u0dd2.<\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-buttons aligncenter is-layout-flex wp-block-buttons-is-layout-flex\">\r\n<div class=\"wp-block-button is-style-shadow td_btn_normal\"><a class=\"wp-block-button__link\" style=\"border-radius: 15px\" href=\"https:\/\/drive.google.com\/drive\/folders\/18RIdGXi6u8ri_MIVdR8XqC-FK9AehjLo?usp=sharing\" target=\"_blank\" rel=\"noreferrer noopener\">\u0dad\u0dc0\u0dad\u0dca \u0db6\u0dc4\u0dd4\u0dc0\u0dbb\u0dab \u0db4\u0dca\u200d\u0dbb\u0dc1\u0dca\u0db1 \u0db4\u0dd9\u0db1\u0dca\u0dc0\u0db1\u0dca\u0db1.<\/a><\/div>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-spacer\" style=\"height: 100px\" aria-hidden=\"true\">\u00a0<\/div>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>1.\u0dc4\u0dd0\u0db3\u0dd2\u0db1\u0dca\u0dc0\u0dd3\u0db8<br \/>\n2.\u0d86\u0db8\u0dca\u0dbd\u0dd2\u0d9a \u0dc0\u0dd2\u0d9d\u0da7\u0db1 \u0db1\u0dd2\u0dba\u0dad\u0dba (Ka)<br \/>\n3.\u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd \u0dc3\u0db3\u0dc4\u0dcf \u0d94\u0dc3\u0dca\u0dc0\u0dbd\u0dca\u0da9\u0dca\u0d9c\u0dda \u0dad\u0db1\u0dd4\u0d9a\u0d9a\u0dbb\u0dab \u0db1\u0dd2\u0dba\u0db8\u0dba<br \/>\n4.\u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd \u0daf\u0dca\u200d\u0dbb\u0dcf\u0dc0\u0dab\u0dba\u0d9a pH \u0d85\u0d9c\u0dba<br \/>\n5.\u0daf\u0dd4\u0db6\u0dbd \u0d85\u0db8\u0dca\u0dbd \u0dc0\u0dd2\u0d9d\u0da7\u0db1\u0dba \u0dc3\u0db3\u0dc4\u0dcf \u0dc4\u0dd9\u0db1\u0dca\u0da9\u0dbb\u0dca\u0dc3\u0db1\u0dca \u0dc3\u0db8\u0dd3\u0d9a\u0dbb\u0dab\u0dba<br \/>\n6<\/p>\n","protected":false},"author":20,"featured_media":10039,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[304,7481,720,497,6207,816,49,42],"tags":[822,823,825,829,828,819,827,722,824,818,820,817,821],"class_list":{"0":"post-1813","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-chemistry-12","8":"category-33--dawasata-padamak-chemistry","9":"category-ph-","10":"category-497","11":"category-dawasata-padamak-chemistry","12":"category-816","13":"category-chemistry","14":"category-advanced-level-science","15":"tag-acid-dissociation-constant","16":"tag-amlika-vighaana-niyataya","17":"tag-dubala-amla","18":"tag-henarsan-samikaraaya","19":"tag-henderson-equation","20":"tag-ka","21":"tag-osvalge-tanukakaraa-niyamaya","22":"tag-ph-","23":"tag-weak-acids","24":"tag-818","25":"tag-820","26":"tag-817","27":"tag-821"},"_links":{"self":[{"href":"https:\/\/learnsteer.sasnaka.org\/science\/wp-json\/wp\/v2\/posts\/1813"}],"collection":[{"href":"https:\/\/learnsteer.sasnaka.org\/science\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/learnsteer.sasnaka.org\/science\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/learnsteer.sasnaka.org\/science\/wp-json\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/learnsteer.sasnaka.org\/science\/wp-json\/wp\/v2\/comments?post=1813"}],"version-history":[{"count":48,"href":"https:\/\/learnsteer.sasnaka.org\/science\/wp-json\/wp\/v2\/posts\/1813\/revisions"}],"predecessor-version":[{"id":31472,"href":"https:\/\/learnsteer.sasnaka.org\/science\/wp-json\/wp\/v2\/posts\/1813\/revisions\/31472"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/learnsteer.sasnaka.org\/science\/wp-json\/wp\/v2\/media\/10039"}],"wp:attachment":[{"href":"https:\/\/learnsteer.sasnaka.org\/science\/wp-json\/wp\/v2\/media?parent=1813"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/learnsteer.sasnaka.org\/science\/wp-json\/wp\/v2\/categories?post=1813"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/learnsteer.sasnaka.org\/science\/wp-json\/wp\/v2\/tags?post=1813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}