Asked by Anonymous

Complete combustion of a sample of a hydrocarbon in the presence of excess oxygen produces equal molar quantities of carbon dioxide and water. Which of the following could be the molecular formula of the compound?

a. C4H4

b. C2H6

c. C6H6

d. C8H8

e. C8H16

I know the answer is C2H6, but I need it explained. Thank you!
Answered by bobpursley
I think you are are wrong
2C2H6+11O2>>>4CO2 +6H2O;

CO2, H2O: notice the ratio of C,H has to be 1:2
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