{"id":187735,"date":"2025-02-06T05:38:52","date_gmt":"2025-02-06T05:38:52","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=187735"},"modified":"2025-02-06T05:38:55","modified_gmt":"2025-02-06T05:38:55","slug":"the-balanced-chemical-equation-for-the-reaction-between-potassium-hydroxide-and-phosphoric-acid-is","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/06\/the-balanced-chemical-equation-for-the-reaction-between-potassium-hydroxide-and-phosphoric-acid-is\/","title":{"rendered":"The balanced chemical equation for the reaction between potassium hydroxide and phosphoric acid is"},"content":{"rendered":"\n<p>The balanced chemical equation for the reaction between potassium hydroxide and phosphoric acid is: 3KOH(aq) +\u00c3\u201a\u00c2 H3PO4(aq)\u00c3\u201a\u00c2 K3PO4(aq) +\u00c3\u201a\u00c2 3H2O(l) we interpert this to mean:\u00c3\u201a\u00c2 3 moles of potassium hydroxide and ______moles of phosphoric acid, react to produce________moles of potassium phosphate and __________moles of water. \u00c3\u201a\u00c2<br>The balanced chemical equation for the reaction between\u00c3\u201a\u00c2 potassium hydroxide\u00c3\u201a\u00c2 and\u00c3\u201a\u00c2 phosphoric acid\u00c3\u201a\u00c2 is:<\/p>\n\n\n\n<p>3KOH(aq) +\u00c3\u201a\u00c2 H3PO4(aq)\u00c3\u201a\u00c2 K3PO4(aq) +\u00c3\u201a\u00c2 3H2O(l)<br>we interpert this to mean:\u00c3\u201a\u00c2<\/p>\n\n\n\n<p>3 moles of potassium hydroxide and ______moles of phosphoric acid, react to produce________moles of potassium phosphate and __________moles of water.<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p>3 moles of potassium hydroxide and <strong>1<\/strong> mole of phosphoric acid react to produce <strong>1<\/strong> mole of potassium phosphate and <strong>3<\/strong> moles of water.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>The given balanced chemical equation is:<\/p>\n\n\n\n<p>[<br>3KOH(aq) + H_3PO_4(aq) \\rightarrow K_3PO_4(aq) + 3H_2O(l)<br>]<\/p>\n\n\n\n<p>This equation represents a neutralization reaction between a <strong>strong base<\/strong> (potassium hydroxide, KOH) and a <strong>triprotic acid<\/strong> (phosphoric acid, H\u2083PO\u2084). In such reactions, the hydroxide ions ((OH^-)) from the base react with the hydrogen ions ((H^+)) from the acid to form water ((H_2O)), while the remaining ions combine to form a salt.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Step-by-step interpretation:<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Reactants:<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Potassium hydroxide (KOH):<\/strong> The equation shows <strong>3 moles<\/strong> of KOH participating in the reaction.<\/li>\n\n\n\n<li><strong>Phosphoric acid (H\u2083PO\u2084):<\/strong> Only <strong>1 mole<\/strong> of H\u2083PO\u2084 is needed for the reaction.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Products:<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Potassium phosphate (K\u2083PO\u2084):<\/strong> The equation indicates that <strong>1 mole<\/strong> of potassium phosphate is formed.<\/li>\n\n\n\n<li><strong>Water (H\u2082O):<\/strong> The reaction produces <strong>3 moles<\/strong> of water.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Why is the ratio 3:1:1:3?<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Phosphoric acid (H\u2083PO\u2084) has three hydrogen ((H^+)) ions available for reaction.<\/li>\n\n\n\n<li>Potassium hydroxide (KOH) releases one hydroxide ((OH^-)) ion per molecule.<\/li>\n\n\n\n<li>To fully neutralize <strong>one<\/strong> mole of H\u2083PO\u2084, we need <strong>three<\/strong> moles of KOH because:<br>[<br>H_3PO_4 + 3OH^- \\rightarrow PO_4^{3-} + 3H_2O<br>]<\/li>\n\n\n\n<li>This results in the formation of <strong>one<\/strong> mole of K\u2083PO\u2084 and <strong>three<\/strong> moles of water.<\/li>\n<\/ul>\n\n\n\n<p>Thus, the equation is correctly balanced, ensuring both atom and charge conservation, and the stoichiometric coefficients give us the correct molar interpretation: <strong>3:1:1:3<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The balanced chemical equation for the reaction between potassium hydroxide and phosphoric acid is: 3KOH(aq) +\u00c3\u201a\u00c2 H3PO4(aq)\u00c3\u201a\u00c2 K3PO4(aq) +\u00c3\u201a\u00c2 3H2O(l) we interpert this to mean:\u00c3\u201a\u00c2 3 moles of potassium hydroxide and ______moles of phosphoric acid, react to produce________moles of potassium phosphate and __________moles of water. \u00c3\u201a\u00c2The balanced chemical equation for the reaction between\u00c3\u201a\u00c2 potassium hydroxide\u00c3\u201a\u00c2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-187735","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/187735","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=187735"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/187735\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=187735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=187735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=187735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}