Lead metal is added to 0.150 M Cr3+(aq).

Pb(s)+2Cr3+(aq)⇌Pb2+(aq)+2Cr2+(aq).
KC=3.2×10−10

What is [Pb2+] when equilibrium is established in the reaction?
What is [Cr2+] when equilibrium is established in the reaction?
What is [Cr3+] when equilibrium is established in the reaction?

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