Chapter 19.7, Problem 1CP

In the electrolysis of molten ${\text{CaCl}}_{\text{2}}$, a current of 1.12 A is passed through the cell for 3.0 h. What is the mass of Ca produced at the cathode?

a)

2.51 g

b)

1.26 g

c)

5.02 g

d)

10.0 g

e)

$\text{2}\text{.42 }\times {\text{ 10}}^{\text{5}}\text{g}$