When solutions of sodium sulfide and copper(II) sulfate are mixed,a precipitate of copper(II) sulfide is formed.What is the net ionic equation for this reaction?
A) Na2S(aq) + CuSO4(aq) → Na2SO4(aq) + CuS(s)
B) Na2S(aq) + CuSO4(aq) → CuS(s)
C) Cu2+(aq) + S2-(aq) → Cu(s) + S(s)
D) Cu2+(aq) + S2-(aq) → CuS(s)
E) 2Na+(aq) + S2-(aq) + Cu2+(aq) + SO42-(aq) → 2Na+(aq) + SO42-(aq)
Correct Answer:
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