CH-2022
Balancing equations
Chemistry · Secondary 4 · Medium · Balancing equations
Aqueous sodium hydroxide and aqueous copper(II) sulfate react according to the equation . Which ionic equation correctly represents the formation of the precipitate?
- Cu²⁺(aq) + 2OH⁻(aq) → Cu(OH)₂(s)
- Cu²⁺(aq) + SO₄²⁻(aq) → CuSO₄(s)
- 2Na⁺(aq) + SO₄²⁻(aq) → Na₂SO₄(s)
- 2Na⁺(aq) + 2OH⁻(aq) → 2NaOH(s)
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