{"id":86876,"date":"2025-06-01T04:22:27","date_gmt":"2025-06-01T04:22:27","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=86876"},"modified":"2025-06-01T04:22:27","modified_gmt":"2025-06-01T04:22:27","slug":"what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o\/","title":{"rendered":"What is the number of moles of carbon in a sample containing 72.06 g o"},"content":{"rendered":"<p>What is the number of moles of carbon in a sample containing 72.06 g of carbon?<\/p>\n<p>[amp_mcq option1=&#8221;4&#8243; option2=&#8221;6&#8243; option3=&#8221;2&#8243; option4=&#8221;8&#8243; correct=&#8221;option2&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC Geoscientist &#8211; 2022<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-geoscientist-2022.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-geoscientist-2022\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nTo find the number of moles of a substance, you divide the mass of the substance by its molar mass. The molar mass of carbon (C) is approximately 12.01 g\/mol. Given the mass of carbon as 72.06 g, the number of moles is calculated as:<br \/>\nNumber of moles = Mass \/ Molar Mass = 72.06 g \/ 12.01 g\/mol \u2248 6.00 moles.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; The number of moles relates mass to the number of particles (atoms or molecules).<br \/>\n&#8211; Molar mass is the mass of one mole of a substance.<br \/>\n&#8211; The atomic mass of Carbon (C) is the basis for its molar mass.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe unit &#8220;mole&#8221; is the SI unit for the amount of substance. One mole contains approximately 6.022 x 10^23 particles (Avogadro&#8217;s number). The atomic mass unit (amu) is defined such that the atomic mass of Carbon-12 is exactly 12 amu. The molar mass in grams per mole is numerically equal to the atomic mass in amu.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>What is the number of moles of carbon in a sample containing 72.06 g of carbon? [amp_mcq option1=&#8221;4&#8243; option2=&#8221;6&#8243; option3=&#8221;2&#8243; option4=&#8221;8&#8243; correct=&#8221;option2&#8243;] This question was previously asked in UPSC Geoscientist &#8211; 2022 Download PDFAttempt Online To find the number of moles of a substance, you divide the mass of the substance by its molar mass. &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"What is the number of moles of carbon in a sample containing 72.06 g o\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o\/#more-86876\">Detailed Solution<span class=\"screen-reader-text\">What is the number of moles of carbon in a sample containing 72.06 g o<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1091],"tags":[1108,1096,1239],"class_list":["post-86876","post","type-post","status-publish","format-standard","hentry","category-upsc-geoscientist","tag-1108","tag-chemistry","tag-inorganic-chemistry","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the number of moles of carbon in a sample containing 72.06 g o<\/title>\n<meta name=\"description\" content=\"To find the number of moles of a substance, you divide the mass of the substance by its molar mass. The molar mass of carbon (C) is approximately 12.01 g\/mol. Given the mass of carbon as 72.06 g, the number of moles is calculated as: Number of moles = Mass \/ Molar Mass = 72.06 g \/ 12.01 g\/mol \u2248 6.00 moles. - The number of moles relates mass to the number of particles (atoms or molecules). - Molar mass is the mass of one mole of a substance. - The atomic mass of Carbon (C) is the basis for its molar mass.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the number of moles of carbon in a sample containing 72.06 g o\" \/>\n<meta property=\"og:description\" content=\"To find the number of moles of a substance, you divide the mass of the substance by its molar mass. The molar mass of carbon (C) is approximately 12.01 g\/mol. Given the mass of carbon as 72.06 g, the number of moles is calculated as: Number of moles = Mass \/ Molar Mass = 72.06 g \/ 12.01 g\/mol \u2248 6.00 moles. - The number of moles relates mass to the number of particles (atoms or molecules). - Molar mass is the mass of one mole of a substance. - The atomic mass of Carbon (C) is the basis for its molar mass.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T04:22:27+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"What is the number of moles of carbon in a sample containing 72.06 g o","description":"To find the number of moles of a substance, you divide the mass of the substance by its molar mass. The molar mass of carbon (C) is approximately 12.01 g\/mol. Given the mass of carbon as 72.06 g, the number of moles is calculated as: Number of moles = Mass \/ Molar Mass = 72.06 g \/ 12.01 g\/mol \u2248 6.00 moles. - The number of moles relates mass to the number of particles (atoms or molecules). - Molar mass is the mass of one mole of a substance. - The atomic mass of Carbon (C) is the basis for its molar mass.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o\/","og_locale":"en_US","og_type":"article","og_title":"What is the number of moles of carbon in a sample containing 72.06 g o","og_description":"To find the number of moles of a substance, you divide the mass of the substance by its molar mass. The molar mass of carbon (C) is approximately 12.01 g\/mol. Given the mass of carbon as 72.06 g, the number of moles is calculated as: Number of moles = Mass \/ Molar Mass = 72.06 g \/ 12.01 g\/mol \u2248 6.00 moles. - The number of moles relates mass to the number of particles (atoms or molecules). - Molar mass is the mass of one mole of a substance. - The atomic mass of Carbon (C) is the basis for its molar mass.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T04:22:27+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o\/","url":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o\/","name":"What is the number of moles of carbon in a sample containing 72.06 g o","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T04:22:27+00:00","dateModified":"2025-06-01T04:22:27+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"To find the number of moles of a substance, you divide the mass of the substance by its molar mass. The molar mass of carbon (C) is approximately 12.01 g\/mol. Given the mass of carbon as 72.06 g, the number of moles is calculated as: Number of moles = Mass \/ Molar Mass = 72.06 g \/ 12.01 g\/mol \u2248 6.00 moles. - The number of moles relates mass to the number of particles (atoms or molecules). - Molar mass is the mass of one mole of a substance. - The atomic mass of Carbon (C) is the basis for its molar mass.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-number-of-moles-of-carbon-in-a-sample-containing-72-06-g-o\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC Geoscientist","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-geoscientist\/"},{"@type":"ListItem","position":3,"name":"What is the number of moles of carbon in a sample containing 72.06 g o"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86876","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=86876"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86876\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=86876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=86876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=86876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}