Chapter 4, Problem 145QP

(a)

Interpretation Introduction

Interpretation:

The number of molecules in $1.0\text{ g}$ of phosphorus $\left({\text{P}}_4\right)$ is to be determined.

(b)

Interpretation Introduction

Interpretation:

The number of molecules in $1.0\text{ g}$ of chlorine $\left({\text{Cl}}_2\right)$ is to be determined.

(c)

Interpretation Introduction

Interpretation:

The number of molecules in $1.0\text{ g}$ of nitrogen $\left({\text{N}}_2\right)$ is to be determined.

(d)

Interpretation Introduction

Interpretation:

The number of molecules in $1.0\text{ g}$ of arsenic $\left({\text{As}}_4\right)$ is to be determined.

(e)

Interpretation Introduction

Interpretation:

The number of molecules in $1.0\text{ g}$ of sulphur $\left({\text{S}}_8\right)$ is to be determined. The smallest number of molecules is to be determined. Whether the actual calculation of number of moles and molecules of each substance is necessary or not is to be determined. The information that is needed to compare these substances is to be determined. The other four substances are to be arranged in the increasing order.