A sample of a compound contains 30.0 g C and 5.05 g H. Its molar mass is 78.12 g/mol. What is the compound's molecular formula? CH C2H2 C6H6 C6H

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Chemistry

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20 October, 16:11

A sample of a compound contains 30.0 g C and 5.05 g H. Its molar mass is 78.12 g/mol. What is the compound's molecular formula? CH C2H2 C6H6 C6H

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Carter Love · Answer 1

The correct answer would be the third option. C6H6 most likely is the sample of compound since its molar mass sums up to 78.12 grams per mole as compared to other choices. CH has only a molar mass of 13.02 grams per mole, C2H2 has a molar mass of 26.04 and C6H has a molar mass of 73.07 grams per mole.