{"id":269989,"date":"2025-07-25T03:39:18","date_gmt":"2025-07-25T03:39:18","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=269989"},"modified":"2025-07-25T03:39:20","modified_gmt":"2025-07-25T03:39:20","slug":"calculate-molarity-of-hno3-solution-contain-15g-hno3-in0-2-l-solution","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/25\/calculate-molarity-of-hno3-solution-contain-15g-hno3-in0-2-l-solution\/","title":{"rendered":"Calculate :Molarity of HNO3 solution contain 15g HNO3 in0.2 L solution."},"content":{"rendered":"\n<p>Calculate :Molarity of HNO3 solution contain 15g HNO3 in0.2 L solution.<\/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 molarity of the HNO3 solution, we need to follow a few steps:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Determine the molar mass of HNO3<\/h3>\n\n\n\n<p>The molecular formula of nitric acid (HNO3) consists of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 hydrogen (H)<\/li>\n\n\n\n<li>1 nitrogen (N)<\/li>\n\n\n\n<li>3 oxygen atoms (O)<\/li>\n<\/ul>\n\n\n\n<p>The atomic masses of the elements are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H = 1.008 g\/mol<\/li>\n\n\n\n<li>N = 14.01 g\/mol<\/li>\n\n\n\n<li>O = 16.00 g\/mol<\/li>\n<\/ul>\n\n\n\n<p>So, the molar mass of HNO3 is:Molar\u2009mass=(1.008\u2009g\/mol)+(14.01\u2009g\/mol)+(3\u00d716.00\u2009g\/mol)=1.008+14.01+48.00=63.018\u2009g\/molMolar \\, mass = (1.008 \\, g\/mol) + (14.01 \\, g\/mol) + (3 \\times 16.00 \\, g\/mol) = 1.008 + 14.01 + 48.00 = 63.018 \\, g\/molMolarmass=(1.008g\/mol)+(14.01g\/mol)+(3\u00d716.00g\/mol)=1.008+14.01+48.00=63.018g\/mol<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Calculate the number of moles of HNO3<\/h3>\n\n\n\n<p>Now, we need to convert the mass of HNO3 (15g) into moles using the formula:moles=massmolar\u2009massmoles = \\frac{mass}{molar \\, mass}moles=molarmassmass\u200bmoles=15\u2009g63.018\u2009g\/mol=0.2387\u2009molmoles = \\frac{15 \\, g}{63.018 \\, g\/mol} = 0.2387 \\, molmoles=63.018g\/mol15g\u200b=0.2387mol<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Calculate the molarity of the solution<\/h3>\n\n\n\n<p>Molarity (M) is defined as the number of moles of solute per liter of solution. The volume of the solution is given as 0.2 L. Using the formula for molarity:Molarity=molesvolume\u2009(in\u2009L)Molarity = \\frac{moles}{volume \\, (in \\, L)}Molarity=volume(inL)moles\u200bMolarity=0.2387\u2009mol0.2\u2009L=1.1935\u2009MMolarity = \\frac{0.2387 \\, mol}{0.2 \\, L} = 1.1935 \\, MMolarity=0.2L0.2387mol\u200b=1.1935M<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Final Answer:<\/h3>\n\n\n\n<p>The molarity of the HNO3 solution is approximately <strong>1.19 M<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>First, we calculated the molar mass of HNO3.<\/li>\n\n\n\n<li>Then, we used the given mass of HNO3 (15g) and the molar mass to find the number of moles.<\/li>\n\n\n\n<li>Finally, we used the volume of the solution (0.2 L) to determine the molarity.<\/li>\n<\/ul>\n\n\n\n<p>This calculation helps determine how concentrated the HNO3 solution is in terms of the number of moles of HNO3 present in each liter of solution.<\/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-banner6-1918.jpeg\" alt=\"\" class=\"wp-image-269990\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Calculate :Molarity of HNO3 solution contain 15g HNO3 in0.2 L solution. The Correct Answer and Explanation is: To calculate the molarity of the HNO3 solution, we need to follow a few steps: Step 1: Determine the molar mass of HNO3 The molecular formula of nitric acid (HNO3) consists of: The atomic masses of the elements [&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-269989","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/269989","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=269989"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/269989\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=269989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=269989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=269989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}