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Number of hydrogen atoms per molecule of a hydrocarbon A having 85.8% carbon is _________.

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Number of hydrogen atoms per molecule of a hydrocarbon A having 85.8% carbon is _________.

(Given: Molar mass of A = 84 g mol–1)

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Empirical formula (CH2)

14 × n = 84

n = 6

\(\therefore\) Molecular formula C6H12.

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