A well stirred solution of 0.1 M CuSO4 is electrolysed at 25°C using platinum electrodes with a current of 25 mA for 6 hours. If current efficiency is 50%. At the end of the duration what would be the concentration of copper ions in the solution?
(1) 0.0856 M
(2) 0.092 M
(3) 0.0986 M
(4) 0.1 M
