Chapter 2, Problem 52E

(a)

Interpretation Introduction

Interpretation:

The number of carbon atoms in ${\text{C}}_{\text{4}}{\text{H}}_{\text{9}}{\text{COOCH}}_{\text{3}}$.

Interpretation Introduction

(b)

Interpretation:

The number of oxygen atoms in $\text{Ca}{\left({\text{ClO}}_{\text{3}}\right)}_{\text{2}}$.

Interpretation Introduction

(c)

Interpretation:

The number of hydrogen atoms in ${\left({\text{NH}}_{\text{4}}\right)}_{\text{2}}{\text{HPO}}_{\text{4}}$.