After the final reaction in the copper cycle, the copper

Last updated: 7/31/2022

After the final reaction in the copper cycle, the copper solid was rinsed with water and then ethanol. What was being removed from the copper in this process? The equation for the final reaction is given below. Would compounds from previous reactions (not this final reaction) also be removed? 3CuSO4 (aq) + 2Al(s) → 3Cu(s) + Al₂(SO4)3(aq)