Question 1
The standard reduction potential
E° = -0.45 V for the half-reaction Fe
2+ + 2 e
- → Fe. If the measured cell potential at 25°C is 0.35 V, the pH in the anode compartment of the following cell is ________.
Pt(s)|H2(1 atm)|H+(? M)||Fe2+(1 M)|Fe(s)
Question 2
The standard cell potential for the following galvanic cell is 0.71 V.
Pb(s)|Pb2+(aq)||Al3+(aq)|Al
This reaction has an equilibrium constant,
K = ________.