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ChemistryChemistry
27 April, 02:12

A compound contains 75% carbon and 25% hydrogen by mass. What is the empirical formula for this compound?

CH

C4H

CH4

C2H8

+3
Answers (2)
  1. 27 April, 02:25
    0
    The empirical formula would be CH4.

    "To get the empirical formula of the compound, we convert each mass percentage to mole percentage by dividing each to corresponding molar mass. 75% mass of carbon is 6.25 while 25% hydrogen is 25. We divide 25 by 6.25, we get 4. Hence, the empirical formula is CH4."
  2. 27 April, 03:57
    0
    Answer: The empirical formula for this compound is CH4
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