{"id":205647,"date":"2025-03-25T06:57:52","date_gmt":"2025-03-25T06:57:52","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=205647"},"modified":"2025-03-25T06:57:54","modified_gmt":"2025-03-25T06:57:54","slug":"how-many-cobalt-atoms-are-in-345-g-of-cobalt","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/25\/how-many-cobalt-atoms-are-in-345-g-of-cobalt\/","title":{"rendered":"How many cobalt atoms are in 345 g of cobalt"},"content":{"rendered":"\n<p>How many cobalt atoms are in 345 g of cobalt? Calculate the molar mass of carbon tetrachloride, CCl4. What&#8217;s the mass of 4.23 moles of sodium chloride, NaCl?<br>Respond to the following based on your reading.<\/p>\n\n\n\n<p>How many cobalt atoms are in 345 g of cobalt?<br>Calculate the molar mass of carbon tetrachloride, CCl4.<br>What&#8217;s the mass of 4.23 moles of sodium chloride, NaCl?<br>Titanium has become the preferred metal for high-end bicycles because they&#8217;re significantly lighter than bicycles made with iron. Explain why one mole of titanium weighs less than one mole of iron.<br>Road salt is used in northern climates by the metric ton. How many moles of calcium chloride (CaCl2) does a town use daily if it uses 1.2 metric tons a day? 1 metric ton = 1000 kilograms<\/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\">Answers:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Number of cobalt atoms in 345 g of cobalt<\/strong>:<br>(\\approx 3.53 \\times 10^{24}) atoms of cobalt.<\/li>\n\n\n\n<li><strong>Molar mass of carbon tetrachloride (CCl\u2084)<\/strong>:<br>(153.81 \\, \\text{g\/mol}).<\/li>\n\n\n\n<li><strong>Mass of 4.23 moles of sodium chloride (NaCl)<\/strong>:<br>(\\approx 247.20 \\, \\text{g}).<\/li>\n\n\n\n<li><strong>Why one mole of titanium weighs less than one mole of iron<\/strong>:<br>Titanium atoms have a lower atomic mass (47.87 g\/mol) than iron atoms (55.85 g\/mol). Since a mole is defined as (6.022 \\times 10^{23}) atoms, one mole of titanium has the same number of atoms as one mole of iron but weighs less due to its smaller atomic mass.<\/li>\n\n\n\n<li><strong>Moles of calcium chloride (CaCl\u2082) used daily if a town uses 1.2 metric tons (1200 kg) per day<\/strong>:<br>(\\approx 10,812.76) moles of calcium chloride per day.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/03\/image-1374.png\" alt=\"\" class=\"wp-image-205648\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>How many cobalt atoms are in 345 g of cobalt? Calculate the molar mass of carbon tetrachloride, CCl4. What&#8217;s the mass of 4.23 moles of sodium chloride, NaCl?Respond to the following based on your reading. How many cobalt atoms are in 345 g of cobalt?Calculate the molar mass of carbon tetrachloride, CCl4.What&#8217;s the mass of [&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-205647","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/205647","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=205647"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/205647\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=205647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=205647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=205647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}