Chemistry

Problem

What constant current, in amperes, must be passed through an electrolytic cell for exactly 30.0 min to plate 2.50 g of Cu from a CuSO

_4

solution? (Molar mass Cu = 63.55 g mol

^{-1}

) a)

6.3\,\text{A}

2.1\,\text{A}

4.2\,\text{A}

8.4\,\text{A}