Hydrocarbon Has Empirical Formula CH2 And Relative Molecular Mass Of 70 What Is The Molecular Formula Of The Hydrocarbon?


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Since the emperical formula is given as CH2, in order to find the molecular formula of it you have to use the formula:

N(the molar mass of emperical formula) = molar mass of compound

in this case, n(14)=70
  Therefore, n=5
  and thus, molecular formula will be, C5H10

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