{"id":32978,"date":"2025-06-23T04:56:14","date_gmt":"2025-06-23T04:56:14","guid":{"rendered":"https:\/\/gaviki.com\/blog\/?p=32978"},"modified":"2025-06-23T04:56:15","modified_gmt":"2025-06-23T04:56:15","slug":"aluminium-is-extracted-from-aluminium-oxide-according-to-the-equation-2al2o3-a%e2%80%a0-4al-3o2","status":"publish","type":"post","link":"https:\/\/gaviki.com\/blog\/aluminium-is-extracted-from-aluminium-oxide-according-to-the-equation-2al2o3-a%e2%80%a0-4al-3o2\/","title":{"rendered":"Aluminium is extracted from aluminium oxide according to the equation: 2Al2O3 \u00e2\u2020\u2019 4Al + 3O2."},"content":{"rendered":"\n<p>Aluminium is extracted from aluminium oxide according to the equation: 2Al2O3 \u00e2\u2020\u2019 4Al + 3O2. Calculate the mass of aluminium produced from 1000g of aluminium oxide.<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Correct Answer:<\/h3>\n\n\n\n<p><strong>The mass of aluminium produced from 1000 grams of aluminium oxide is 529.1 grams.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step-by-Step Calculation:<\/h3>\n\n\n\n<p><strong>1. Write the balanced equation:<\/strong>2Al2O3\u21924Al+3O22Al_2O_3 \\rightarrow 4Al + 3O_22Al2\u200bO3\u200b\u21924Al+3O2\u200b<\/p>\n\n\n\n<p><strong>2. Find the molar masses:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Molar mass of aluminium (Al) = 27 g\/mol<\/li>\n\n\n\n<li>Molar mass of oxygen (O) = 16 g\/mol<\/li>\n\n\n\n<li>Molar mass of aluminium oxide (Al\u2082O\u2083) = (2 \u00d7 27) + (3 \u00d7 16) = 54 + 48 = <strong>102 g\/mol<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>3. Use the mole ratio from the equation:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2 moles of Al\u2082O\u2083 produce 4 moles of Al<\/li>\n\n\n\n<li>Mass of 2 moles of Al\u2082O\u2083 = 2 \u00d7 102 = <strong>204 g<\/strong><\/li>\n\n\n\n<li>Mass of 4 moles of Al = 4 \u00d7 27 = <strong>108 g<\/strong><\/li>\n<\/ul>\n\n\n\n<p>So, from <strong>204 g of Al\u2082O\u2083<\/strong>, we get <strong>108 g of Al<\/strong>.<\/p>\n\n\n\n<p><strong>4. Calculate mass of aluminium from 1000 g of aluminium oxide using proportion:<\/strong>108\u2009g\u2009Al204\u2009g\u2009Al2O3=x\u2009g\u2009Al1000\u2009g\u2009Al2O3\\frac{108 \\, g \\, Al}{204 \\, g \\, Al_2O_3} = \\frac{x \\, g \\, Al}{1000 \\, g \\, Al_2O_3}204gAl2\u200bO3\u200b108gAl\u200b=1000gAl2\u200bO3\u200bxgAl\u200b<\/p>\n\n\n\n<p><strong>Solve for x:<\/strong>x=108\u00d71000204=529.41\u2009gx = \\frac{108 \\times 1000}{204} = 529.41 \\, gx=204108\u00d71000\u200b=529.41g<\/p>\n\n\n\n<p>Thus, approximately <strong>529.1 grams of aluminium<\/strong> are produced.<\/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>Aluminium is extracted from aluminium oxide by electrolysis, where aluminium oxide is broken down into pure aluminium metal and oxygen gas. The process relies on a known chemical relationship described by the balanced equation, which ensures the correct amount of reactants and products.<\/p>\n\n\n\n<p>The molar mass values allow us to convert between grams and moles, making it possible to predict how much aluminium can be obtained from a specific mass of aluminium oxide. By using stoichiometry, we relate the known mass of the compound to the desired mass of aluminium.<\/p>\n\n\n\n<p>In this case, 1000 grams of aluminium oxide yields 529.1 grams of aluminium when the reaction proceeds completely without any waste<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"852\" height=\"1024\" src=\"https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-467.jpeg\" alt=\"\" class=\"wp-image-32979\" srcset=\"https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-467.jpeg 852w, https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-467-250x300.jpeg 250w, https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-467-768x923.jpeg 768w\" sizes=\"auto, (max-width: 852px) 100vw, 852px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Aluminium is extracted from aluminium oxide according to the equation: 2Al2O3 \u00e2\u2020\u2019 4Al + 3O2. Calculate the mass of aluminium produced from 1000g of aluminium oxide. The Correct Answer and Explanation is: Correct Answer: The mass of aluminium produced from 1000 grams of aluminium oxide is 529.1 grams. Step-by-Step Calculation: 1. Write the balanced equation:2Al2O3\u21924Al+3O22Al_2O_3 [&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-32978","post","type-post","status-publish","format-standard","hentry","category-quiz-questions"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/32978","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=32978"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/32978\/revisions"}],"predecessor-version":[{"id":32980,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/32978\/revisions\/32980"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=32978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=32978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=32978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}