{"id":194431,"date":"2025-02-24T06:04:37","date_gmt":"2025-02-24T06:04:37","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=194431"},"modified":"2025-02-24T06:04:40","modified_gmt":"2025-02-24T06:04:40","slug":"calculate-the-molar-mass-of-k2so4-use-masses-k-39-103-o-15-935-and-s32-053","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/24\/calculate-the-molar-mass-of-k2so4-use-masses-k-39-103-o-15-935-and-s32-053\/","title":{"rendered":"Calculate the molar mass of K2SO4 (Use Masses K: 39.103, O: 15.935 and S:32.053)"},"content":{"rendered":"\n<p>Calculate the molar mass of K2SO4 (Use Masses K: 39.103, O: 15.935 and S:<br>32.053). You must show full calculation for credit<\/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<h3 class=\"wp-block-heading\"><strong>Calculation of the Molar Mass of K\u2082SO\u2084<\/strong><\/h3>\n\n\n\n<p>To determine the molar mass of potassium sulfate (K\u2082SO\u2084), we need to sum up the atomic masses of its constituent elements: potassium (K), sulfur (S), and oxygen (O).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step-by-Step Calculation:<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Potassium (K):<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>There are <strong>two<\/strong> potassium (K) atoms.<\/li>\n\n\n\n<li>Atomic mass of K = <strong>39.103 g\/mol<\/strong><\/li>\n\n\n\n<li>Total mass from potassium = <strong>2 \u00d7 39.103<\/strong> = <strong>78.206 g\/mol<\/strong><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Sulfur (S):<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>There is <strong>one<\/strong> sulfur (S) atom.<\/li>\n\n\n\n<li>Atomic mass of S = <strong>32.053 g\/mol<\/strong><\/li>\n\n\n\n<li>Total mass from sulfur = <strong>32.053 g\/mol<\/strong><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Oxygen (O):<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>There are <strong>four<\/strong> oxygen (O) atoms.<\/li>\n\n\n\n<li>Atomic mass of O = <strong>15.935 g\/mol<\/strong><\/li>\n\n\n\n<li>Total mass from oxygen = <strong>4 \u00d7 15.935<\/strong> = <strong>63.740 g\/mol<\/strong><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Final Molar Mass Calculation:<\/strong><\/h4>\n\n\n\n<p>[<br>\\text{Molar mass of K\u2082SO\u2084} = 78.206 + 32.053 + 63.740<br>]<br>[<br>= 173.999 \\, \\text{g\/mol}<br>]<\/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 (300 words)<\/strong><\/h3>\n\n\n\n<p>The molar mass of a compound represents the mass of one mole of its molecules and is expressed in grams per mole (g\/mol). To find the molar mass, we add the atomic masses of all atoms in the chemical formula.<\/p>\n\n\n\n<p>In the case of potassium sulfate (K\u2082SO\u2084), the compound consists of two potassium (K) atoms, one sulfur (S) atom, and four oxygen (O) atoms. Each element has a known atomic mass:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Potassium (K) has a mass of <strong>39.103 g\/mol<\/strong>,<\/li>\n\n\n\n<li>Sulfur (S) has a mass of <strong>32.053 g\/mol<\/strong>, and<\/li>\n\n\n\n<li>Oxygen (O) has a mass of <strong>15.935 g\/mol<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>By multiplying these atomic masses by the number of atoms present in the formula and summing them, we obtain the total molar mass.<\/p>\n\n\n\n<p>This calculation is essential in various chemical applications, such as stoichiometry, where we determine the amount of a substance needed or produced in a reaction. It is also crucial in pharmaceuticals, material science, and industry to ensure the correct amounts of chemicals are used.<\/p>\n\n\n\n<p>For example, in agriculture, potassium sulfate is a widely used fertilizer. Knowing its molar mass allows chemists to calculate the precise amount needed to provide an adequate supply of potassium and sulfur to crops.<\/p>\n\n\n\n<p>By understanding how to compute molar mass accurately, chemists can make precise calculations for chemical reactions, ensuring efficiency and preventing wastage of materials.<\/p>\n\n\n\n<p>Thus, the molar mass of <strong>K\u2082SO\u2084 is 173.999 g\/mol<\/strong>.<\/p>\n\n\n\n<p>Now, I will generate an image illustrating this calculation.<\/p>\n\n\n\n<p>I have generated an educational illustration that visually represents the step-by-step molar mass calculation of K\u2082SO\u2084. Let me know if you need any modifications or further explanations!<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/02\/image-1325.png\" alt=\"\" class=\"wp-image-194432\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Calculate the molar mass of K2SO4 (Use Masses K: 39.103, O: 15.935 and S:32.053). You must show full calculation for credit The Correct Answer and Explanation is : Calculation of the Molar Mass of K\u2082SO\u2084 To determine the molar mass of potassium sulfate (K\u2082SO\u2084), we need to sum up the atomic masses of its constituent [&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-194431","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/194431","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=194431"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/194431\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=194431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=194431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=194431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}