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Author Question: How much copper, in g, can be plated from a solution of Cu2+ if 3.14 A is applied for 45 minutes? (Read 444 times)

mynx

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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?

Ni2+(aq) + 2 e⁻ → Ni(s)

◦ 4.8 × 102 min
◦ 1.7 × 102 min
◦ 6.2 × 102 min
◦ 5.9 × 102 min
◦ 3.5 × 102 min

Question 2

How much copper, in g, can be plated from a solution of Cu2+ if 3.14 A is applied for 45 minutes?
◦ 7.64 g
◦ 1.85 g
◦ 11.2 g
◦ 0.283 g
◦ 2.79 g


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Marked as best answer by mynx on Nov 18, 2019

cici

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