Chemistry

Problem

2.50\,\text{A}

current is passed through molten

\mathrm{Cd}^{2+}

for

45.0\,\text{min}

. Assuming

F = 9.65\times10^{4}\,\text{C mol}^{-1}

, what mass of cadmium is deposited? (Molar mass Cd =

112.4\,\text{g mol}^{-1}

) a)

1.96\,\text{g}

0.393\,\text{g}

3.93\,\text{g}

7.86\,\text{g}