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How Many Grams of the Excess Reactant Remain Assuming the Reaction

Question 13

Multiple Choice

How many grams of the excess reactant remain assuming the reaction goes to completion and that you start with 15.5 g of Na2S and 12.1 g CuSO4?
Reaction: Na2S + CuSO4 → Na2SO4 + CuS


A) 0.05
B) 15.45
C) 9.58
D) 5.92
E) not enough information

Correct Answer:

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