What is the molecular formula of a hydrocarbon with molar mass 98 g mol^-1?
回答 (1)
Molar mass of C = 12 g/mol
Molar mass of H = 1 g/mol
The formula of a hydrocarbon is CₙHₘ which is about (CH₂)ₙ.
Hence, the approximate molar mass of the hydrocarbon in g/mol :
(12 + 1×2) ≈ 98
14n ≈ 98
n = 7
Hence, the molecular formula of the hydrocarbon = C₇H₁₄
This is, of course, either an alkene or a cycloalkane. I ll vote for methylcyclohexane.
收錄日期: 2021-05-01 22:23:35
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