Pb2+ (aq) → Pb (s)
change in O.S. = 2 to 0
decrease/gain electrons → reduction → cathode
Mg (s) → Mg2+ (aq)
change in O.S. = 0 to 2
increase/ lose electrons → oxidation → anode
E°cell = 2.24 V
Using standard electrode potentials calculate ΔG˚rxn and use its value to estimate the equilibrium constant for each of the reactions at 25 ˚C.
Pb2+(aq) + Mg(s) → Pb(s) + Mg2+(aq)
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