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QUESTION
Percent Composition The percent composition by mass of a compound is simply that: the percent by mass of each element in a compound.
IX. Percent Composition The percent composition by mass of a compound is simply that: the percent by mass of each element in a compound. For an example, let"s consider dimethyl peroxide (CH3O2CH3 or C2H6O2). What is the percent composition of carbon in one mole of dimethyl peroxide?
