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What is the number of mols of hydrogen atoms in 3.2g of methane
Options
(a) 0.2
(b) 0.4
(c) 0.8
(d) 2
Correct Answer:
0.8
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Basic Concepts of Chemistry
(94)
Subject: Chemistry
(2512)
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- H₂S₂O₇ has a commercial name as
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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W/A ( gm), u will get your answer.
thanks
No. Of moles= mass/ molar mass
Molar mass of CH4 = 12+4(1)=16
No of moles in CH4 = 3.2/ 16
= 0.2mol
So,
No.of moles of H = 0.2 (4)
= 0.8 mol