the product has 2.4 moles of C and 3.2 moles of H
... this from a 0.40 moles sample that was combusted
look at the mole ratios of the possible answers
Complete combustion of a 0.40-mol sample of a hydrocarbon, CxHy, gives 2.40 mol of CO2 and 1.60 mol of H2O. The molecular formula of the original hydrocarbon is
Group of answer choices
C2H8.
C6H8.
C9H16.
C5H5.
C4H7.
2 answers
ؤ2ا2