{"id":201327,"date":"2025-03-15T08:34:58","date_gmt":"2025-03-15T08:34:58","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=201327"},"modified":"2025-03-15T08:35:00","modified_gmt":"2025-03-15T08:35:00","slug":"what-is-the-mole-fraction-of-solute-in-a-3-68-m-aqueous-solution","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/15\/what-is-the-mole-fraction-of-solute-in-a-3-68-m-aqueous-solution\/","title":{"rendered":"What is the mole fraction of solute in a 3.68 m aqueous solution"},"content":{"rendered":"\n<p>What is the mole fraction of solute in a 3.68 m aqueous solution?<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>To calculate the mole fraction of the solute in a solution, we need to understand a few concepts:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Molality (m)<\/strong> is defined as the number of moles of solute per kilogram of solvent. In this case, the molality is given as 3.68 m, meaning there are 3.68 moles of solute per 1 kilogram of solvent.<\/li>\n\n\n\n<li><strong>Mole Fraction (X)<\/strong> is the ratio of the moles of solute to the total moles in the solution. It can be calculated using the formula:<\/li>\n<\/ol>\n\n\n\n<p>[<br>X_{\\text{solute}} = \\frac{\\text{moles of solute}}{\\text{moles of solute} + \\text{moles of solvent}}<br>]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Steps to find the mole fraction of solute:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Determine the moles of solute<\/strong>:<br>The molality is 3.68 m, which means 3.68 moles of solute per 1 kilogram of solvent. So, we have 3.68 moles of solute.<\/li>\n\n\n\n<li><strong>Calculate the moles of solvent<\/strong>:<br>The solvent is water (H\u2082O). The molar mass of water is approximately 18.015 g\/mol. Since there is 1 kg of solvent, we can convert the mass of solvent to moles:<\/li>\n<\/ol>\n\n\n\n<p>[<br>\\text{moles of solvent} = \\frac{1000 \\, \\text{g}}{18.015 \\, \\text{g\/mol}} = 55.51 \\, \\text{mol}<br>]<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Calculate the mole fraction of solute<\/strong>:<br>Now, we can calculate the mole fraction of the solute using the formula:<\/li>\n<\/ol>\n\n\n\n<p>[<br>X_{\\text{solute}} = \\frac{\\text{moles of solute}}{\\text{moles of solute} + \\text{moles of solvent}} = \\frac{3.68}{3.68 + 55.51}<br>]<\/p>\n\n\n\n<p>[<br>X_{\\text{solute}} = \\frac{3.68}{59.19} = 0.0622<br>]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion:<\/h3>\n\n\n\n<p>The mole fraction of the solute in the 3.68 m aqueous solution is approximately <strong>0.0622<\/strong>.<\/p>\n\n\n\n<p>This result shows that the solute makes up only a small fraction of the total number of moles in the solution, which is expected for a dilute solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the mole fraction of solute in a 3.68 m aqueous solution? The correct answer and explanation is : To calculate the mole fraction of the solute in a solution, we need to understand a few concepts: [X_{\\text{solute}} = \\frac{\\text{moles of solute}}{\\text{moles of solute} + \\text{moles of solvent}}] Steps to find the mole fraction [&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-201327","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/201327","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=201327"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/201327\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=201327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=201327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=201327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}