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8.00g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen,...

8.00g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a molecular molar mass of 46./gmol, is burned completely in excess oxygen, and the mass of the products carefully measured:

product mass
carbon dioxide

15.31g
water

9.40g

Use this information to find the molecular formula of X

.

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