Answer
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Work Step by Step
The mass percent of an element in a compound is the percentage of the total mass of the compound that is contributed by that element. The mass percent is independent of the amount of sample taken, whether it's 1.0 g, 100.0 g, or 1 mole. In all cases, the mass percent of an element in the compound remains the same because it is determined solely by the composition of the compound.
