The hydrocarbon contain 80 % of carbon,then the hydrocarbon is

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Solution

Given,
The hydrocarbon contains 80 % of carbon
Therefore,
Mole ratio of C to H is given as
$\frac{80}{12} : \frac{20}{1} = 6.67 : 20$
Thus,
A whole number ratio of C to H is 1 : 3
Thus,
Empirical formula of the hydrocarbon = CH₃
Hence,
Molecular formula = C₂H₆ (Ethane)

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