Chapter 17, Problem 73QRT

Interpretation Introduction

Interpretation:

The masses of metals consumed when each of the given batteries supplies a current of $1.0\text{ A}$ and $\text{10 min}$ have to be compared.

Concept Introduction:

When electricity is passed through ionic compound or through an electrolyte, a chemical reaction known as electrolysis takes place.  The apparatus where electrolysis takes place is known as an electrolytic cell.  The sign of cathode is negative where reduction takes place and anode sign is positive where oxidation takes place.