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?