{"id":269118,"date":"2025-07-24T10:54:09","date_gmt":"2025-07-24T10:54:09","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=269118"},"modified":"2025-07-24T10:54:11","modified_gmt":"2025-07-24T10:54:11","slug":"to-prepare-5-0-l-of-a-0-22-m-aqueous-sodium-hydroxide-naoh-solution-from-2-5-m-aqueous-sodium-hydroxide-stock-solution-what-volume-of-the-stock-solution-should-you-add-to-a-5-0-l-volumetric-flask","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/24\/to-prepare-5-0-l-of-a-0-22-m-aqueous-sodium-hydroxide-naoh-solution-from-2-5-m-aqueous-sodium-hydroxide-stock-solution-what-volume-of-the-stock-solution-should-you-add-to-a-5-0-l-volumetric-flask\/","title":{"rendered":"To prepare 5.0 L of a 0.22 M aqueous sodium hydroxide, NaOH, solution from 2.5 M aqueous sodium hydroxide stock solution, what volume of the stock solution should you add to a 5.0 L volumetric flask"},"content":{"rendered":"\n<p>To prepare 5.0 L of a 0.22 M aqueous sodium hydroxide, NaOH, solution from 2.5 M aqueous sodium hydroxide stock solution, what volume of the stock solution should you add to a 5.0 L volumetric flask?<\/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 prepare a diluted solution from a stock solution, you can use the dilution equation:M1V1=M2V2M_1 V_1 = M_2 V_2M1\u200bV1\u200b=M2\u200bV2\u200b<\/p>\n\n\n\n<p>Where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M1M_1M1\u200b is the concentration of the stock solution (2.5 M).<\/li>\n\n\n\n<li>V1V_1V1\u200b is the volume of stock solution you need to take (this is what we&#8217;re solving for).<\/li>\n\n\n\n<li>M2M_2M2\u200b is the concentration of the diluted solution (0.22 M).<\/li>\n\n\n\n<li>V2V_2V2\u200b is the final volume of the diluted solution (5.0 L).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Plug in the known values.<\/h3>\n\n\n\n<p>(2.5\u2009M)(V1)=(0.22\u2009M)(5.0\u2009L)(2.5 \\, \\text{M}) (V_1) = (0.22 \\, \\text{M}) (5.0 \\, \\text{L})(2.5M)(V1\u200b)=(0.22M)(5.0L)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Solve for V1V_1V1\u200b.<\/h3>\n\n\n\n<p>V1=(0.22\u2009M)(5.0\u2009L)2.5\u2009MV_1 = \\frac{(0.22 \\, \\text{M}) (5.0 \\, \\text{L})}{2.5 \\, \\text{M}}V1\u200b=2.5M(0.22M)(5.0L)\u200bV1=1.12.5=0.44\u2009LV_1 = \\frac{1.1}{2.5} = 0.44 \\, \\text{L}V1\u200b=2.51.1\u200b=0.44L<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Convert the result to milliliters.<\/h3>\n\n\n\n<p>Since 1\u2009L=1000\u2009mL1 \\, \\text{L} = 1000 \\, \\text{mL}1L=1000mL, we get:V1=0.44\u2009L\u00d71000=440\u2009mLV_1 = 0.44 \\, \\text{L} \\times 1000 = 440 \\, \\text{mL}V1\u200b=0.44L\u00d71000=440mL<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Final Answer:<\/h3>\n\n\n\n<p>You should add <strong>440 mL<\/strong> of the 2.5 M NaOH stock solution to the 5.0 L volumetric flask. After adding the stock solution, fill the flask to the 5.0 L mark with distilled water to make the final 0.22 M NaOH solution.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>The dilution equation ensures that the moles of NaOH in the stock solution and the moles in the final solution are the same, just spread over a larger volume. By calculating the required volume of the concentrated stock solution, we can ensure that we achieve the desired concentration without waste or errors in measurement.<\/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-banner6-1848.jpeg\" alt=\"\" class=\"wp-image-269119\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>To prepare 5.0 L of a 0.22 M aqueous sodium hydroxide, NaOH, solution from 2.5 M aqueous sodium hydroxide stock solution, what volume of the stock solution should you add to a 5.0 L volumetric flask? The Correct Answer and Explanation is: To prepare a diluted solution from a stock solution, you can use the [&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-269118","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/269118","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=269118"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/269118\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=269118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=269118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=269118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}