APFIVE Alloy Composition from Product Mass
A 100.0 g sample of brass, an alloy of copper and zinc, reacts completely to form a 124.8 g mixture of CuSO₄ and ZnSO₄. What is the mass percentage of zinc in the brass alloy?
A
25.4%
B
40.2%
C
19.8%
D
32.6%
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