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Chemistry 20 Online
OpenStudy (anonymous):

which compound has the highest percentage of carbon by mass 1. CH3COOH 2. C2H5OH 3. CH3OH 4. H2CO3

OpenStudy (ipwnbunnies):

I advise you to find the molecular mass of each choice. Find the mass of the carbon in each compound. Then, find the ratio of mass of carbon to mass of molecule, for each choice.

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