Intext : Why during electrolysis of CuSO4 solution using Cu-electrode the weight anode decreases?

Question

Why during electrolysis of CuSO₄ solution using Cu-electrode the weight anode decreases?

Answer

The weight of the anode decreases during the electrolysis of CuSO₄ solution using Cu electrodes because it undergoes oxidation and dissolves into the solution as Cu²⁺ ions.