how long must a constant current of 50.0 a be passed through an electrolytic cell containing aqueous cu2 ions to produce 3.50 moles of copper metal? how long must a constant current of 50.0 a be passed through an electrolytic cell containing aqueous cu2 ions to produce 3.50 moles of copper metal? 3.75 hours 1.88 hours 0.533 hours 0.267 hours