{"id":251900,"date":"2025-07-10T21:03:34","date_gmt":"2025-07-10T21:03:34","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=251900"},"modified":"2025-07-10T21:03:36","modified_gmt":"2025-07-10T21:03:36","slug":"what-is-the-difference-in-the-molecular-mass-of-baking-soda-and-quicklime","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/10\/what-is-the-difference-in-the-molecular-mass-of-baking-soda-and-quicklime\/","title":{"rendered":"What is the difference in the molecular mass of baking soda and quicklime"},"content":{"rendered":"\n<p>What is the difference in the molecular mass of baking soda and quicklime<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>To calculate the molecular masses of baking soda and quicklime, we need to examine their chemical formulas.<\/p>\n\n\n\n<p><strong>Baking Soda (Sodium Bicarbonate)<\/strong><br>The chemical formula for baking soda is NaHCO\u2083.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sodium (Na): 22.99 g\/mol<\/li>\n\n\n\n<li>Hydrogen (H): 1.008 g\/mol<\/li>\n\n\n\n<li>Carbon (C): 12.01 g\/mol<\/li>\n\n\n\n<li>Oxygen (O): 16.00 g\/mol (there are 3 oxygen atoms)<\/li>\n<\/ul>\n\n\n\n<p>So, the molecular mass of baking soda is:<br>22.99 + 1.008 + 12.01 + (3 \u00d7 16.00) = 84.01 g\/mol<\/p>\n\n\n\n<p><strong>Quicklime (Calcium Oxide)<\/strong><br>The chemical formula for quicklime is CaO.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Calcium (Ca): 40.08 g\/mol<\/li>\n\n\n\n<li>Oxygen (O): 16.00 g\/mol<\/li>\n<\/ul>\n\n\n\n<p>So, the molecular mass of quicklime is:<br>40.08 + 16.00 = 56.08 g\/mol<\/p>\n\n\n\n<p><strong>Difference in Molecular Mass<\/strong><br>Now, to find the difference in molecular mass between baking soda and quicklime:<\/p>\n\n\n\n<p>84.01 g\/mol (baking soda) &#8211; 56.08 g\/mol (quicklime) = 27.93 g\/mol<\/p>\n\n\n\n<p>So, the difference in molecular mass between baking soda and quicklime is 27.93 g\/mol.<\/p>\n\n\n\n<p><strong>Explanation<\/strong><br>The molecular mass of a compound is determined by adding up the atomic masses of all the atoms in its formula. Baking soda contains sodium, hydrogen, carbon, and oxygen atoms, making it a more complex compound compared to quicklime, which only consists of calcium and oxygen atoms. This complexity gives baking soda a higher molecular mass. The difference in mass (27.93 g\/mol) reflects the additional elements (such as sodium and carbon) in baking soda compared to quicklime.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/07\/learnexams-banner6-187.jpeg\" alt=\"\" class=\"wp-image-251901\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>What is the difference in the molecular mass of baking soda and quicklime The Correct Answer and Explanation is: To calculate the molecular masses of baking soda and quicklime, we need to examine their chemical formulas. Baking Soda (Sodium Bicarbonate)The chemical formula for baking soda is NaHCO\u2083. So, the molecular mass of baking soda is:22.99 [&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-251900","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/251900","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=251900"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/251900\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=251900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=251900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=251900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}