First slide

Faraday's Laws

Question

What is the quantity of electricity (in coulombs) required to deposit all the silver from 250 ml of 1 M AgNO₃ solution ?(Ag = 108)

Easy

Solution

Number of equivalents of Ag present = $\frac{250}{1000} lit \times 1 N = 0.25$
1 eq requires 1 F
0.25 eq requires 0.25 F
= $0.25 \times 96500 = 24125$ coulomb

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