{"id":28581,"date":"2025-06-20T13:50:02","date_gmt":"2025-06-20T13:50:02","guid":{"rendered":"https:\/\/gaviki.com\/blog\/?p=28581"},"modified":"2025-06-20T13:50:04","modified_gmt":"2025-06-20T13:50:04","slug":"what-is-the-equivalent-mass-of-mgso4-magnesium-sulfate","status":"publish","type":"post","link":"https:\/\/gaviki.com\/blog\/what-is-the-equivalent-mass-of-mgso4-magnesium-sulfate\/","title":{"rendered":"What is the equivalent mass of MgSO4 (magnesium sulfate)"},"content":{"rendered":"\n<p>What is the equivalent mass of MgSO4 (magnesium sulfate)? Formula: MM\/f where: MM = molar mass and f = chemical factor<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-pale-pink-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p><strong>Correct Answer:<\/strong><br>The equivalent mass of <strong>magnesium sulfate (MgSO\u2084)<\/strong> is <strong>120.37 g\/equiv<\/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:<\/strong><\/h3>\n\n\n\n<p>To find the <strong>equivalent mass<\/strong> of a compound, use the formula:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Equivalent Mass = Molar Mass (MM) \u00f7 Chemical Factor (f)<\/strong><\/p>\n<\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 1: Determine the Molar Mass of MgSO\u2084<\/strong><\/h4>\n\n\n\n<p>Break it down using atomic masses:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Magnesium (Mg) = 24.31 g\/mol<\/li>\n\n\n\n<li>Sulfur (S) = 32.07 g\/mol<\/li>\n\n\n\n<li>Oxygen (O) = 16.00 g\/mol \u00d7 4 = 64.00 g\/mol<\/li>\n<\/ul>\n\n\n\n<p>So,<br><strong>Molar Mass (MM) = 24.31 + 32.07 + 64.00 = 120.38 g\/mol<\/strong><br>For simplicity, we can use <strong>120.37 g\/mol<\/strong>, which is the commonly accepted rounded value.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 2: Identify the Chemical Factor (f)<\/strong><\/h4>\n\n\n\n<p>The <strong>chemical factor (f)<\/strong> depends on the reaction type. In acid-base reactions, it relates to how many H\u207a or OH\u207b ions a substance can donate or accept. In redox or salt reactions, it refers to the number of electrons transferred or charges balanced.<\/p>\n\n\n\n<p>For <strong>MgSO\u2084<\/strong>, it is a <strong>neutral salt<\/strong> that typically forms from Mg\u00b2\u207a and SO\u2084\u00b2\u207b. In reactions where <strong>MgSO\u2084<\/strong> dissociates fully into one <strong>Mg\u00b2\u207a ion<\/strong> and one <strong>SO\u2084\u00b2\u207b ion<\/strong>, the chemical factor is <strong>1<\/strong>, because 1 mole of MgSO\u2084 provides 2 equivalents of charge (1 Mg\u00b2\u207a).<\/p>\n\n\n\n<p>However, since <strong>Mg\u00b2\u207a is the reacting ion<\/strong> in most stoichiometric uses of MgSO\u2084 (e.g., precipitation, neutralization), and it provides <strong>2 positive charges<\/strong>, the <strong>chemical factor (f)<\/strong> is <strong>2<\/strong>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 3: Calculate the Equivalent Mass<\/strong><\/h4>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Equivalent Mass = 120.37 \u00f7 2 = 60.19 g\/equiv<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p>So depending on the context:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If MgSO\u2084 acts as a <strong>source of Mg\u00b2\u207a<\/strong>, use <strong>f = 2<\/strong> \u2192 Equivalent Mass = <strong>60.19 g\/equiv<\/strong><\/li>\n\n\n\n<li>If the full salt is reacting as one unit (rare), use <strong>f = 1<\/strong> \u2192 Equivalent Mass = <strong>120.37 g\/equiv<\/strong><\/li>\n<\/ul>\n\n\n\n<p>But the <strong>most accepted chemical factor for MgSO\u2084 is 2<\/strong>, hence the <strong>equivalent mass is 60.19 g\/equiv<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"852\" height=\"1024\" src=\"https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-229.jpeg\" alt=\"\" class=\"wp-image-28586\" srcset=\"https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-229.jpeg 852w, https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-229-250x300.jpeg 250w, https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-229-768x923.jpeg 768w\" sizes=\"auto, (max-width: 852px) 100vw, 852px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>What is the equivalent mass of MgSO4 (magnesium sulfate)? Formula: MM\/f where: MM = molar mass and f = chemical factor The Correct Answer and Explanation is: Correct Answer:The equivalent mass of magnesium sulfate (MgSO\u2084) is 120.37 g\/equiv. Explanation: To find the equivalent mass of a compound, use the formula: Equivalent Mass = Molar Mass [&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-28581","post","type-post","status-publish","format-standard","hentry","category-quiz-questions"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/28581","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=28581"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/28581\/revisions"}],"predecessor-version":[{"id":28588,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/28581\/revisions\/28588"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=28581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=28581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=28581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}