Silicon brass contains 82.0% Cu,14.0% Zn,and 4.00% Si by mass,and its density is 8.28 g/cm3.How many moles of silicon are present in 22.0 cm3 of silicon brass?
A) 6.48 mol Si
B) 5.32 mol Si
C) 0.908 mol Si
D) 0.260 mol Si
E) 0.0946 mol Si
Correct Answer:
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