Chapter 16, Problem 110E

Interpretation Introduction

Interpretation: The time required with an electric current to plate out given amount of gold $\left(\text{Au}\right)$ is to be calculated.

Concept Introduction: The plating reaction is:

${\text{Au}}^{\text{+}}\left(aq\right)+{\text{e}}^{\text{-}}\to \text{Au}\left(s\right)$

The ${\text{Au}}^{\text{+}}$ cation gets reduced and deposits on the object to be plated.

The symbol of ampere is $\text{amp}$.

One ampere is equivalent to coulomb per second.

One mole is equal to $6.022\times {10}^{23}$ units.