9 general chemistry questions.

Example: A 27.0 gram sample of an unknown hydrocarbon was burned in excess oxygen to form 88.0 grams of carbon dioxide and 27.0 grams of water. What is a possible molecular formula of the hydrocarbon?

(a) CH4

(b) C2H2

(c) C4H3

(d) C4H6

(e) C4H10

*(Please see attachment for complete equations and problems)

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