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22-06-2017
Chemistry

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will Na2S and CuSO4 combine to form a precipitate

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22-06-2017

Na₂S(aq) + CuSO₄(aq) = Na₂SO₄(aq) + CuS(s)

2Na⁺(aq) + S²⁻(aq) + Cu²⁺(aq) + SO₄⁻(aq) = 2Na⁺(aq) + SO₄²⁻(aq) + CuS(s)

S²⁻(aq) + Cu²⁺(aq) = CuS(s)

The precipitate of cupric(II) sulfide is formed.

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