{"id":165631,"date":"2024-11-12T15:48:44","date_gmt":"2024-11-12T15:48:44","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=165631"},"modified":"2024-11-12T15:48:46","modified_gmt":"2024-11-12T15:48:46","slug":"how-many-moles-are-in-30-g-of-salt-given-that-the-chemical-formula-for-salt-is-nacl-with-the-molar-mass-of-na-being-23-g-mol-and-that-of-cl-being-35-5-g-mol","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/11\/12\/how-many-moles-are-in-30-g-of-salt-given-that-the-chemical-formula-for-salt-is-nacl-with-the-molar-mass-of-na-being-23-g-mol-and-that-of-cl-being-35-5-g-mol\/","title":{"rendered":"How many moles are in 30 g of salt, given that the chemical formula for salt is NaCl, with the molar mass of Na being 23 g\/mol and that of Cl being 35.5 g\/mol"},"content":{"rendered":"\n<p>How many moles are in 30 g of salt, given that the chemical formula for salt is NaCl, with the molar mass of Na being 23 g\/mol and that of Cl being 35.5 g\/mol?<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>To calculate the number of moles in 30 grams of salt (NaCl), we need to use the following formula for calculating moles:<\/p>\n\n\n\n<p>[<br>\\text{Moles} = \\frac{\\text{Mass}}{\\text{Molar Mass}}<br>]<\/p>\n\n\n\n<p>Where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mass<\/strong> is the given amount of salt (30 g),<\/li>\n\n\n\n<li><strong>Molar Mass<\/strong> is the molar mass of NaCl.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Determine the Molar Mass of NaCl<\/h3>\n\n\n\n<p>The molar mass of sodium chloride (NaCl) is the sum of the molar masses of sodium (Na) and chlorine (Cl).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The molar mass of sodium (Na) is 23 g\/mol.<\/li>\n\n\n\n<li>The molar mass of chlorine (Cl) is 35.5 g\/mol.<\/li>\n<\/ul>\n\n\n\n<p>Therefore, the molar mass of NaCl is:<\/p>\n\n\n\n<p>[<br>\\text{Molar Mass of NaCl} = 23 \\, \\text{g\/mol (Na)} + 35.5 \\, \\text{g\/mol (Cl)} = 58.5 \\, \\text{g\/mol}<br>]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Calculate the Number of Moles<\/h3>\n\n\n\n<p>Now, we can calculate the number of moles of NaCl in 30 grams of salt by dividing the mass of the salt (30 g) by the molar mass of NaCl (58.5 g\/mol):<\/p>\n\n\n\n<p>[<br>\\text{Moles of NaCl} = \\frac{30 \\, \\text{g}}{58.5 \\, \\text{g\/mol}} \\approx 0.513 \\, \\text{moles}<br>]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Conclusion<\/h3>\n\n\n\n<p>Thus, 30 grams of sodium chloride (NaCl) is approximately <strong>0.513 moles<\/strong> of NaCl.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation<\/h3>\n\n\n\n<p>This calculation is based on the relationship between mass, molar mass, and the number of moles. Moles are a way to count chemical entities, such as atoms or molecules, using a standard unit. The molar mass is the mass of one mole of a substance, typically given in grams per mole (g\/mol). For NaCl, the molar mass is 58.5 g\/mol, which means one mole of NaCl weighs 58.5 grams. By dividing the given mass of NaCl (30 grams) by its molar mass (58.5 g\/mol), we determine how many moles are present in that mass. This concept is fundamental in chemistry for converting between grams and moles, enabling the calculation of quantities in chemical reactions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How many moles are in 30 g of salt, given that the chemical formula for salt is NaCl, with the molar mass of Na being 23 g\/mol and that of Cl being 35.5 g\/mol? The Correct Answer and Explanation is: To calculate the number of moles in 30 grams of salt (NaCl), we need to [&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-165631","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/165631","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=165631"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/165631\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=165631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=165631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=165631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}