{"id":36439,"date":"2024-05-15T17:03:15","date_gmt":"2024-05-15T17:03:15","guid":{"rendered":"https:\/\/www.greatassignmenthelp.com\/questions\/?p=36439"},"modified":"2024-05-15T17:03:15","modified_gmt":"2024-05-15T17:03:15","slug":"a-sample-of-c3h8-has-6-72-x-1024-h-atoms-what-is-the-total-mass-of-the-sample","status":"publish","type":"post","link":"https:\/\/www.greatassignmenthelp.com\/questions\/a-sample-of-c3h8-has-6-72-x-1024-h-atoms-what-is-the-total-mass-of-the-sample\/","title":{"rendered":"A sample of C3H8 has 6.72 x 10^24 H atoms. What is the total mass of the sample?"},"content":{"rendered":"<p data-pm-slice=\"1 1 []\"><strong>Question:- <\/strong>A sample of C3H8 has 6.72 x 10^24 H atoms. What is the total mass of the sample?<\/p>\n<p lang=\"en-GB\"><strong>Answer<\/strong><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">To find the total mass of the sample of C3H8, we need to follow these steps: <\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Given information:<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">The chemical composition of this compound is C3H8.<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">The sample is composed of the 6.72 \u00d7 10^24 H atoms.<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Step 1: Calculate the molar mass of the C3H8 molecule.<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">The molar mass of C3H8 = 3\u00d712.011 g\/mol + 8\u00d71.008 g\/mol = 44.097 g\/mol.<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Step 2: Calculate the number of C3H8 in the given sample.<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Number of H atoms of single C3H8 molecule is 8.<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Number of molecules of C3H8 = (6.72 \u00d7 10^24) H atoms \/ 8 = 8.4\u00d710^23 molecules<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Step 3: Calculate the moles of C3H8 the sample contains.<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Number of moles = (1 molecule \/ Avogadro&#8217;s Constant)<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Moles = (8.4 \u00d7 10^23 molecules) \/ (6.022 \u00d7 10^23 molecules \/ mol) = 1.395 mol.<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Step 4: Work out total mass of the sample.<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Mass equal to the sum of (moles number) \u00d7 (molecular weight).<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Subtotal weight = 1.395 moles x 44.097 g\/mole = 61.51 grams.<\/span><\/p>\n<p class=\"western\" lang=\"en-GB\"><span lang=\"en-US\">Therefore, the total mass of the discovered C3H8 sample is 61.51 grams remembering that it contains 6.72 \u00d7 10^24 hydrogen atoms.<\/span><\/p>\n<p class=\"western\" lang=\"en-US\"><a name=\"_GoBack\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question:- A sample of C3H8 has 6.72 x 10^24 H atoms. What is the total mass of the sample? Answer To find the total mass [&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":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A sample of C3H8 has 6.72 x 10^24 H atoms. What is the total mass of the sample?<\/title>\n<meta name=\"description\" content=\"A sample of C3H8 has 6.72 x 10^24 H atoms. 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