Answers to Exercise 6

These are the complete-formula equations for the reactions in which precipitates are predicted in Exercise 5. The precipitates are marked as (ppt).

CuSO₄ + Ba(NO₃)₂ Cu(NO₃)₂ + BaSO₄(ppt)

copper(II) sulfate + barium nitrate copper(II) nitrate + barium sulfate

CuSO₄ + 2 AgNO₃ Cu(NO₃)₂ + Ag₂SO₄(ppt)

copper(II) sulfate + silver nitrate copper(II) nitrate + silver sulfate

CuSO₄ + 2 NaOH Cu(OH)₂(ppt) + Na₂SO₄

copper(II) sulfate + sodium hydroxide copper(II) hydroxide + sodium sulfate

Ba(NO₃)₂ + 2 NaOH Ba(OH)₂(ppt) + 2 NaNO₃

barium nitrate + sodium hydroxide barium hydroxide + sodium nitrate

AgNO₃ + NaOH AgOH(ppt) + NaNO₃

silver nitrate + sodium hydroxide silver hydroxide + sodium nitrate

AgNO₃ + KCl AgCl(ppt) + KNO₃

silver nitrate + potassium chloride silver chloride + potassium nitrate

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E-mail instructor: Eden Francis