(Answered) When 356 g of an unknown hydrocarbon was dissolved in 125 g

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When 3.56 g of an unknown hydrocarbon was dissolved in 125 g of benzene, the freezing pointof the solution was found to be 4.41oC. Analysis of thehydrocarbon showed that it contained 93.71% carbon (by mass) and6.29% hydrogen. Determine the molecular formula of the unknownhydrocarbon.

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