Calculate Ecell forthe following electrochemical cell at 25 C

Question

Pt(s) |H2(g, 1.00 bar) |H
+
(aq, 1.00 M) || Pb2+(aq, 0.150 M) | Pb(s)

Answer 1

Look up Eo for H2 ==> 2H^+ + 2e Eo = 0
Calculate Eo for the Pb half cell.
E = Eo Pb + (0.0592/2)log(1/0.15)
Then Ecell = EoH2 + EoPb