{"id":23227,"date":"2025-06-17T11:10:51","date_gmt":"2025-06-17T11:10:51","guid":{"rendered":"https:\/\/gaviki.com\/blog\/?p=23227"},"modified":"2025-06-17T11:10:55","modified_gmt":"2025-06-17T11:10:55","slug":"how-many-bromine-anions-are-there-in-3-450-mol-of-mgbr2","status":"publish","type":"post","link":"https:\/\/gaviki.com\/blog\/how-many-bromine-anions-are-there-in-3-450-mol-of-mgbr2\/","title":{"rendered":"How many bromine anions are there in 3.450 mol of MgBr2"},"content":{"rendered":"\n<p>How many bromine anions are there in 3.450 mol of MgBr2?<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\"><strong>The correct answer and explanation is:<\/strong><\/mark><\/p>\n\n\n\n<p>Let&#8217;s solve the problem step-by-step:<\/p>\n\n\n\n<p><strong>Question:<\/strong><br>How many bromine anions (Br\u207b) are there in 3.450 mol of magnesium bromide (MgBr\u2082)?<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Understand the compound formula<\/h3>\n\n\n\n<p>Magnesium bromide is <strong>MgBr\u2082<\/strong>, meaning each formula unit contains:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 magnesium cation (Mg\u00b2\u207a)<\/li>\n\n\n\n<li>2 bromine anions (Br\u207b)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Determine the number of bromide ions per mole of MgBr\u2082<\/h3>\n\n\n\n<p>Each mole of MgBr\u2082 contains <strong>2 moles of Br\u207b ions<\/strong> because of the subscript 2 in the formula.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Calculate the moles of bromide ions<\/h3>\n\n\n\n<p>Given 3.450 mol of MgBr\u2082:<br>Moles of Br\u207b = 3.450 mol MgBr\u2082 \u00d7 2 mol Br\u207b\/1 mol MgBr\u2082<br>= 6.900 mol Br\u207b<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 4: Calculate the number of bromide ions<\/h3>\n\n\n\n<p>We use <strong>Avogadro\u2019s number<\/strong>, which is approximately 6.022\u00d710236.022 \\times 10^{23} particles\/mol, to convert moles to number of ions.<\/p>\n\n\n\n<p>Number of Br\u207b ions = 6.900 mol \u00d7 6.022\u00d710236.022 \\times 10^{23} ions\/mol<br>= 4.155\u00d710244.155 \\times 10^{24} bromide ions<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Final answer:<\/strong><\/h3>\n\n\n\n<p>There are approximately <strong>4.16 \u00d7 10\u00b2\u2074 bromide ions<\/strong> in 3.450 moles of MgBr\u2082.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>This problem involves understanding the molecular formula and mole concept in chemistry. MgBr\u2082 dissociates into one magnesium ion and two bromide ions per formula unit. Since moles represent a count of particles (ions, atoms, or molecules), the number of bromide ions is double the number of moles of MgBr\u2082. By multiplying the given moles of MgBr\u2082 by 2, we get the moles of bromide ions. Then, using Avogadro&#8217;s number, we convert moles to actual number of ions. This approach is fundamental in stoichiometry, helping chemists quantify the exact number of particles involved in chemical reactions or compounds<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How many bromine anions are there in 3.450 mol of MgBr2? The correct answer and explanation is: Let&#8217;s solve the problem step-by-step: Question:How many bromine anions (Br\u207b) are there in 3.450 mol of magnesium bromide (MgBr\u2082)? Step 1: Understand the compound formula Magnesium bromide is MgBr\u2082, meaning each formula unit contains: Step 2: Determine the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-23227","post","type-post","status-publish","format-standard","hentry","category-quiz-questions"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/23227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/comments?post=23227"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/23227\/revisions"}],"predecessor-version":[{"id":23229,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/23227\/revisions\/23229"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=23227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=23227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=23227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}