{"id":254554,"date":"2025-07-12T15:33:48","date_gmt":"2025-07-12T15:33:48","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=254554"},"modified":"2025-07-12T15:33:50","modified_gmt":"2025-07-12T15:33:50","slug":"what-is-the-mass-percent-of-water-in-magnesium-chloride-hexahydrate-2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/12\/what-is-the-mass-percent-of-water-in-magnesium-chloride-hexahydrate-2\/","title":{"rendered":"What is the mass percent of water in magnesium chloride hexahydrate"},"content":{"rendered":"\n<p>What is the mass percent of water in magnesium chloride hexahydrate? Provide an answer to two decimal<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>To calculate the mass percent of water in magnesium chloride hexahydrate (MgCl2\u00b76H2O), we need to first find the molar mass of the compound and the molar mass of the water molecules within it.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Calculate the Molar Mass of MgCl2\u00b76H2O<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Magnesium chloride (MgCl2):\n<ul class=\"wp-block-list\">\n<li>Magnesium (Mg): 24.31 g\/mol<\/li>\n\n\n\n<li>Chlorine (Cl): 2 \u00d7 35.45 g\/mol = 70.90 g\/mol<\/li>\n\n\n\n<li>Total for MgCl2 = 24.31 + 70.90 = 95.21 g\/mol<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Water (H2O):\n<ul class=\"wp-block-list\">\n<li>Hydrogen (H): 2 \u00d7 1.008 g\/mol = 2.016 g\/mol<\/li>\n\n\n\n<li>Oxygen (O): 16.00 g\/mol<\/li>\n\n\n\n<li>Total for H2O = 2.016 + 16.00 = 18.016 g\/mol<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Since there are 6 water molecules in the formula, the total mass of water is:<br>6 \u00d7 18.016 g\/mol = 108.096 g\/mol<\/li>\n\n\n\n<li>Molar mass of MgCl2\u00b76H2O = Molar mass of MgCl2 + Mass of 6 H2O molecules<br>= 95.21 g\/mol + 108.096 g\/mol = 203.306 g\/mol<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Calculate the Mass Percent of Water<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mass of water in the hydrate = 108.096 g\/mol<\/li>\n\n\n\n<li>Molar mass of MgCl2\u00b76H2O = 203.306 g\/mol<\/li>\n\n\n\n<li>Mass percent of water = (Mass of water \/ Molar mass of MgCl2\u00b76H2O) \u00d7 100<br>= (108.096 \/ 203.306) \u00d7 100 = 53.18%<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion:<\/h3>\n\n\n\n<p>The mass percent of water in magnesium chloride hexahydrate (MgCl2\u00b76H2O) is <strong>53.18%<\/strong>.<\/p>\n\n\n\n<p>This calculation involves adding up the masses of each element in the formula and finding their respective proportions. Since the mass of water is more than half the total mass of the compound, we see that water is a significant component of the hydrate.<\/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-banner6-401.jpeg\" alt=\"\" class=\"wp-image-254568\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>What is the mass percent of water in magnesium chloride hexahydrate? Provide an answer to two decimal The Correct Answer and Explanation is: To calculate the mass percent of water in magnesium chloride hexahydrate (MgCl2\u00b76H2O), we need to first find the molar mass of the compound and the molar mass of the water molecules within [&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-254554","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/254554","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=254554"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/254554\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=254554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=254554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=254554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}