First slide

Faraday's Laws

Question

Passage of a current for 548 seconds through a silver coulometer results in the deposition of 0.746 g of silver. What is the current (jn A)?

Moderate

A

1.22
B

1.16
C

1.07
D

1.00

Solution

W = ZIt
$0 .746 = \frac{108}{1 \times F} \times 548 \times I \Rightarrow I = 1 .22$

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