Question 1
Nickel can be plated from aqueous solution according to the following half-reaction. How long would it take (in min) to plate 29.6 g of nickel at 4.7 A?
Ni
2+(
aq) + 2 e⁻ → Ni(
s)
◦ 4.8 × 10
2 min
◦ 1.7 × 10
2 min
◦ 6.2 × 10
2 min
◦ 5.9 × 10
2 min
◦ 3.5 × 10
2 min
Question 2
How much copper, in g, can be plated from a solution of Cu
2+ if 3.14 A is applied for 45 minutes?
◦ 7.64 g
◦ 1.85 g
◦ 11.2 g
◦ 0.283 g
◦ 2.79 g