{"id":27526,"date":"2025-06-19T23:42:27","date_gmt":"2025-06-19T23:42:27","guid":{"rendered":"https:\/\/gaviki.com\/blog\/?p=27526"},"modified":"2025-06-19T23:42:32","modified_gmt":"2025-06-19T23:42:32","slug":"what-is-the-normality-of-concentrated-18-m-sulfuric-acid-h2s04","status":"publish","type":"post","link":"https:\/\/gaviki.com\/blog\/what-is-the-normality-of-concentrated-18-m-sulfuric-acid-h2s04\/","title":{"rendered":"What is the Normality of concentrated (18 M) sulfuric acid (H2S04)"},"content":{"rendered":"\n<p>What is the Normality of concentrated (18 M) sulfuric acid (H2S04) ?<br><\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\"><strong>The correct answer and explanation is:<\/strong><\/mark><\/p>\n\n\n\n<p><strong>Correct Answer: 36 N<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Explanation (300 words)<\/strong><\/h3>\n\n\n\n<p><strong>Normality (N)<\/strong> is a measure of concentration equivalent to the <strong>molarity (M)<\/strong> multiplied by the <strong>number of reactive equivalents<\/strong> per mole of solute. For acids, this number is determined by the number of <strong>replaceable hydrogen ions (H\u207a)<\/strong> that an acid molecule can donate in a reaction.<\/p>\n\n\n\n<p>Sulfuric acid (<strong>H\u2082SO\u2084<\/strong>) is a <strong>diprotic acid<\/strong>, meaning each molecule can donate <strong>two protons (H\u207a)<\/strong> in aqueous solution: H2SO4\u21922H++SO42\u2212\\text{H}_2\\text{SO}_4 \\rightarrow 2\\text{H}^+ + \\text{SO}_4^{2-}<\/p>\n\n\n\n<p>Therefore, <strong>1 mole of H\u2082SO\u2084 provides 2 equivalents of H\u207a<\/strong>.<\/p>\n\n\n\n<p>The relationship between molarity (M) and normality (N) is given by: Normality=Molarity\u00d7n\\text{Normality} = \\text{Molarity} \\times \\text{n}<\/p>\n\n\n\n<p>Where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Molarity (M)<\/strong> = 18 M (concentration of pure sulfuric acid)<\/li>\n\n\n\n<li><strong>n<\/strong> = 2 (number of replaceable H\u207a ions per molecule of H\u2082SO\u2084)<\/li>\n<\/ul>\n\n\n\n<p>Normality=18&nbsp;mol\/L\u00d72=36&nbsp;N\\text{Normality} = 18\\ \\text{mol\/L} \\times 2 = \\boxed{36\\ \\text{N}}<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Why This Matters<\/strong><\/h3>\n\n\n\n<p>Normality is particularly useful in <strong>acid-base titrations<\/strong> and reactions involving <strong>ionic transfers<\/strong> because it directly measures <strong>reactive capacity<\/strong>. While molarity tells how many moles of substance are present, normality reflects the substance&#8217;s <strong>chemical reactivity<\/strong> in a given reaction.<\/p>\n\n\n\n<p>For example, in titration calculations where H\u2082SO\u2084 is reacting with a base (like NaOH), using <strong>normality<\/strong> simplifies the math, since it automatically accounts for the <strong>two H\u207a ions<\/strong> H\u2082SO\u2084 can donate.<\/p>\n\n\n\n<p>Hence, <strong>concentrated sulfuric acid<\/strong>, which is 18 M, has a <strong>normality of 36 N<\/strong> due to its ability to donate <strong>2 moles of H\u207a per mole of acid<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the Normality of concentrated (18 M) sulfuric acid (H2S04) ? The correct answer and explanation is: Correct Answer: 36 N Explanation (300 words) Normality (N) is a measure of concentration equivalent to the molarity (M) multiplied by the number of reactive equivalents per mole of solute. For acids, this number is determined by [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-27526","post","type-post","status-publish","format-standard","hentry","category-quiz-questions"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/27526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/comments?post=27526"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/27526\/revisions"}],"predecessor-version":[{"id":27527,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/27526\/revisions\/27527"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=27526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=27526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=27526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}