Lead metal is added to 0.140M Cr^+3(aq).

Pb(s)+ 2Cr^3+(aq)---> Pb^2+(aq) + 2Cr^2+(aq)

a)What is [Pb^2+] when equilibrium is established in the reaction?

b)What is [Cr^2+] when equilibrium is established in the reaction?

c)What is [Cr^3+] when equilibrium is established in the reaction?

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