Practice question
Question
How many Faradays are required to deposit 1.62 g of silver from AgNO₃ solution? (Atomic mass of Ag = 108 g/mol)
Explanation
Ag⁺ + e⁻ → Ag . 1 mol Ag (108 g) requires 1F. Moles = (1.62/108) = 0.015 mol , Charge = 0.015 × 1 = 0.015 F .