Correct Answer:<\/strong><\/p>\n\n\n\n The molar mass of calcium sulfate dihydrate (CaSO\u2084\u00b72H\u2082O) is 172.17 g\/mol<\/strong>.<\/p>\n\n\n\n Explanation:<\/strong><\/p>\n\n\n\n To calculate the molar mass of calcium sulfate dihydrate, begin by identifying all the elements present in the compound and the number of atoms of each.<\/p>\n\n\n\n Calcium sulfate dihydrate (CaSO\u2084\u00b72H\u2082O) contains:<\/p>\n\n\n\n Break the calculation down into parts by using standard atomic masses:<\/p>\n\n\n\n Now, compute the contribution of each part:<\/p>\n\n\n\n Add all parts together: Rounded to two decimal places, the molar mass is 172.17 g\/mol<\/strong>.<\/p>\n\n\n\n Understanding molar mass is essential in stoichiometry and other chemical calculations, as it links grams to moles, a core concept in chemistry. For hydrated compounds like calcium sulfate dihydrate, the water molecules must always be included in the total molar mass calculation to ensure accurate results.<\/p>\n\n\n\n Calculate the molar mass of calcium sulfate dihydrate ( CaSO4 \u00b7 2 H2O) The Correct Answer and Explanation is: Correct Answer: The molar mass of calcium sulfate dihydrate (CaSO\u2084\u00b72H\u2082O) is 172.17 g\/mol. Explanation: To calculate the molar mass of calcium sulfate dihydrate, begin by identifying all the elements present in the compound and the number […]<\/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-234867","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/234867","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=234867"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/234867\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=234867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=234867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=234867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\n\n\n\n
\n
\n
1 \u00d7 40.08 = 40.08 g\/mol<\/li>\n\n\n\n
1 \u00d7 32.07 = 32.07 g\/mol<\/li>\n\n\n\n
4 \u00d7 16.00 = 64.00 g\/mol<\/li>\n\n\n\n\n
Total from water: 4.032 + 32.00 = 36.032 g\/mol<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n
40.08 + 32.07 + 64.00 + 36.032 = 172.182 g\/mol<\/strong><\/p>\n\n\n\n![\"\"](\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-515.jpeg\")
<\/figure>\n","protected":false},"excerpt":{"rendered":"