Question: How would you separate the following ions in aqueous solution by selective precipitation? a. Ag + , Ba 2+ , and Cr 3+ b. Ag

How would you separate the following ions in aqueous solution by selective precipitation?
a. Ag⁺, Ba²⁺, and Cr³⁺
b. Ag⁺, Pb²⁺, and Cu²⁺
c. Hg₂²⁺ and Ni²⁺

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