APFIVE Mole Ratio from Electrolytic Deposition
A solution contains a mixture of Cu²⁺ and Ag⁺ ions. When a current of 2.50 A is passed through the solution for 30.0 minutes, 1.97 g of Cu and 4.06 g of Ag are deposited. What is the mole ratio of Cu²⁺ to Ag⁺ in the original solution?
A
2:1
B
1:1
C
0.82:1
D
3:1
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