Chapter 7, Problem 22PE

(a)

Interpretation Introduction

Interpretation:

The number of hydrogen atoms in $\text{23}$ molecules of ${\text{CH}}_{\text{3}}{\text{CH}}_{\text{2}}\text{COOH}$ has to be given.

(b)

Interpretation Introduction

Interpretation:

The number of hydrogen atoms in $7.4\text{mol}$ of ${\text{H}}_{\text{3}}{\text{PO}}_{\text{4}}$ has to be given.

(c)

Interpretation Introduction

Interpretation:

The number of hydrogen atoms in $57\text{g}$ of ${\text{C}}_{\text{6}}{\text{H}}_{\text{5}}{\text{ONH}}_{\text{2}}$ has to be given.