A Solution Contains the Ions Ag⁺,Pb²⁺,and Ni²⁺

question 30

Multiple Choice

A solution contains the ions Ag⁺,Pb²⁺,and Ni²⁺.Dilute solutions of NaCl,Na₂SO₄,and Na₂S are available to separate the positive ions from each other.In order to effect separation,the solutions should be added in which order?

• A)Na₂SO₄,NaCl,Na₂S
• B)Na₂SO₄,Na₂S,NaCl
• C)Na₂S,NaCl,Na₂SO₄
• D)NaCl,Na₂S,Na₂SO₄
• E)NaCl,Na₂SO₄,Na₂S

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