Chapter 4, Problem 45QP

Interpretation Introduction

Interpretation:

The required mass of zinc acetate in a chemical reaction that needs $2.7\text{mol}$ of zinc acetate, $\text{Zn}{\left({\text{CH}}_3{\text{CO}}_2\right)}_2$ is to be determined.

Concept Introduction:

The number of moles is determined as follows:

$\text{Number of moles}=\frac{\text{ mass}}{\text{Molar mass}}$

By rearranging the above formula, the mass can be determined as follows:

$\text{Mass}=\text{Number of molecules}\times \text{Molar mass}$ …..(1)