How many grams of the excess reactant remain assuming the reaction goes to completion and that you start with 
Of Na2S and 
CuSO4?
Reaction: Na2S + CuSO4 → Na2SO4 + CuS
A) 0.05
B) 15.45
C) 9.58
D) 5.92
E) not enough information
Correct Answer:
Verified
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