The electrochemical equivalent of copper is 0.0003296 g coulomb-1. Calculate the amount of copper deposited by a current of 0.5 ampere flowing through copper sulphate solution for 50 minutes.
0.4944 g
According to Faraday's first law,
W = I.t.e.
W = 0.5 × 50 × 60 × 0.003296
= 0.4944 g