Answers to Exercise 7

These are the net-ionic equations for the reactions in which precipitates are predicted in Exercise 5.

Ba²⁺ + SO₄^2-   BaSO₄        copper(II) and nitrate were the spectator ions

2 Ag⁺ + SO₄^2-   Ag₂SO₄      copper(II) and nitrate were the spectator ions

Cu²⁺ + 2 OH^- Cu(OH)₂     sodium and sulfate were the spectator ions

Ba²⁺ + 2 OH^- Ba(OH)₂      sodium and nitrate were the spectator ions

Ag⁺ + OH^- AgOH      sodium and nitrate were the spectator ions

Ag⁺ + Cl^- AgCl       potassium and nitrate were the spectator ions

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E-mail instructor: Eden Francis