Which Is the Excess Reactant in the Following Reaction Given

question 11

Multiple Choice

Which is the excess reactant in the following reaction given that you start with 15.5 g of Na₂S and 12.1 g CuSO₄?
Reaction: Na₂S + CuSO₄ → Na₂SO₄ + CuS

• A)Na₂S
• B)CuSO₄
• C)Na₂SO₄
• D)CuS
• E)not enough information

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