Question 1
The electrolysis of molten AlCl
3(aq) for 3.25 hr with an electrical current of 15.0 A produces
of aluminum metal.
◦ 147
◦ 0.606
◦ 4.55 × 10
-3◦ 16.4
◦ 49.1
Question 2
The following galvanic cell has a measured cell potential
E°cell = 0.646 V.
Pt(s)
Sn
4+(aq), Sn
2+(aq)
Ag
+(aq)
Ag(s)
Given that the standard reduction potential for the reduction of Ag
+(aq) to Ag(s) is +0.800 V, what is the standard reduction potential for the Sn
4+/Sn
2+ half-reaction?
◦ +0.154 V
◦ -0.154 V
◦ +1.45 V
◦ -1.45 V
◦ +0.308 V