6. Chemical Quantities & Aqueous Reactions
Redox Reactions
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ANSWERS OPTIONS
A
1.44 V
B
1.37 V
C
1.58 V
D
1.61 V
Consider a galvanic cell with the following reaction:
2 Au3+(aq) + 3 Pb(s) → 3 Pb2+(aq) + 2 Au(s)
What is the potential of the cell at 25.0 °C if the concentrations of Pb2+(aq) and Au3+(aq) are 0.250 M and 0.0150 M, respectively? (E°red,Pb2+ = −0.13 V, E°red,Au3+ = 1.50 V)