When Solutions of Sodium Sulfide and Copper(II)sulfate Are Mixed,a Precipitate

question 28

Multiple Choice

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)+ S^2-(aq)→ Cu(s)+ S(s)
• D)Cu²⁺(aq)+ S^2-(aq)→ CuS(s)
• E)2Na⁺(aq)+ S^2-(aq)+ Cu²⁺(aq)+ SO₄^2-(aq)→ 2Na⁺(aq)+ SO₄^2-(aq)

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