CHEMISTRY

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Cant figure this out, I feel like the answer I keep getting is way too low.

A voltaic cell is constructed that is based on the following reaction:

Sn2+ (aq) +Pb(s) = Sn(s) + Pb2+

(a) If the concentration of Sn2+ in the cathode compartment is 1.00M and the cell generates an emf of 0.22V, what is the concentration of Pb2+ in the anode compartment?

(b) If the anode compartment contains [SO4^2-] = 1.00M in equilibrium with PbSO4, what is the Ksp of PbSO4?

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