Chapter 4, Problem 23PP

(a)

Interpretation Introduction

Interpretation:

The number of oxygen atoms in $5.21\text{mol}$ of ${\text{N}}_{\text{2}}{\text{O}}_{\text{5}}$ is to be calculated.

(b)

Interpretation Introduction

Interpretation:

The number of ${\text{O}}_{\text{2}}$ molecules in a sample of oxygen gas is to be calculated.

(c)

Interpretation Introduction

Interpretation:

The number of chloride ions in $17.8\text{g}$ of ${\text{MgCl}}_{\text{2}}$ is to be determined.