A current of 3 ampere was passed for 2 hour through a solution of

CHEMISTRY · Subjective · AP · Chemistry · Thermodynamics and Electrochemistry · Thermodynamics and Electrochemistry

Problem

\text{CuSO}_4

. 3g of

\text{Cu}^{2+}

ions were discharged at cathode. Calculate current efficiency. (atomic mass of Cu = 63.5)