{"id":247755,"date":"2025-07-07T19:54:32","date_gmt":"2025-07-07T19:54:32","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=247755"},"modified":"2025-07-07T19:54:34","modified_gmt":"2025-07-07T19:54:34","slug":"how-many-atoms-are-in-1-50-moles-of-fluorine-gas","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/07\/how-many-atoms-are-in-1-50-moles-of-fluorine-gas\/","title":{"rendered":"How many atoms are in 1.50 moles of fluorine gas"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/07\/image-286.png\" alt=\"\" class=\"wp-image-247759\"\/><\/figure>\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>The correct answer is&nbsp;<strong>1.81 x 10^24<\/strong>.<\/p>\n\n\n\n<p>To solve this problem, you need to use Avogadro&#8217;s number and understand the chemical nature of fluorine gas. Here is a step-by-step explanation of the calculation.<\/p>\n\n\n\n<p>First, it is essential to know the chemical formula for fluorine gas. Fluorine is a halogen and one of the seven diatomic elements, which means it exists naturally as a molecule containing two atoms. Therefore, the chemical formula for fluorine gas is F\u2082, not simply F. This is a critical detail because the question asks for the total number of atoms, not the number of molecules.<\/p>\n\n\n\n<p>The next step involves Avogadro&#8217;s number, which is the constant value of 6.022 x 10^23. This number represents the quantity of particles (such as atoms or molecules) in one mole of a substance.<\/p>\n\n\n\n<p>The calculation can be broken down into two main parts:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Calculate the number of F\u2082 molecules.<\/strong><br>To find the number of molecules in 1.50 moles of fluorine gas, you multiply the number of moles by Avogadro&#8217;s number.<br>Number of molecules = (moles of substance) \u00d7 (Avogadro&#8217;s number)<br>Number of F\u2082 molecules = 1.50 mol \u00d7 (6.022 x 10^23 molecules\/mol) = 9.033 x 10^23 molecules.<br>Note that this intermediate result, 9.03 x 10^23, is one of the answer choices. This is a common trap for students who forget that fluorine gas is diatomic and stop the calculation here.<\/li>\n\n\n\n<li><strong>Calculate the total number of fluorine atoms.<\/strong><br>Since each molecule of fluorine gas (F\u2082) contains two fluorine atoms, you must multiply the number of molecules by two to find the total atom count.<br>Number of atoms = (Number of F\u2082 molecules) \u00d7 (2 atoms per molecule)<br>Number of atoms = (9.033 x 10^23) \u00d7 2 = 18.066 x 10^23 atoms.<\/li>\n<\/ol>\n\n\n\n<p>To present this value in proper scientific notation, we adjust the decimal point one place to the left and increase the exponent by one, which gives us 1.8066 x 10^24 atoms. The initial value given in the problem, 1.50 moles, has three significant figures, so the final answer should be rounded to three significant figures. Rounding 1.8066 x 10^24 gives us 1.81 x 10^24 atoms. This matches the correct option.<\/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-banner5-1059.jpeg\" alt=\"\" class=\"wp-image-247763\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>The Correct Answer and Explanation is: The correct answer is&nbsp;1.81 x 10^24. To solve this problem, you need to use Avogadro&#8217;s number and understand the chemical nature of fluorine gas. Here is a step-by-step explanation of the calculation. First, it is essential to know the chemical formula for fluorine gas. Fluorine is a halogen and [&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-247755","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/247755","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=247755"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/247755\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=247755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=247755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=247755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}