Chapter 3, Problem 11PE

(a)

Interpretation Introduction

Interpretation:

The total number of atoms in the compound $\text{Co}{\left({\text{ClO}}_{\text{3}}\right)}_{\text{2}}$ has to be given.

Explanation of Solution

The name of the compound $\text{Co}{\left({\text{ClO}}_{\text{3}}\right)}_{\text{2}}$ is cobalt (II) chlorate.

The number of cobalt atoms in $\text{Co}{\left({\text{ClO}}_{\text{3}}\right)}_{\text{2}}$ is $\text{1}\text{.}$

The number of chlorine atoms in $\text{Co}{\left({\text{ClO}}_{\text{3}}\right)}_{\text{2}}$ is $\text{2}\text{.}$

The number of oxygen atoms in $\text{Co}{\left({\text{ClO}}_{\text{3}}\right)}_{\text{2}}$ is $6.$

The total number of atoms in the compound $\text{Co}{\left({\text{ClO}}_{\text{3}}\right)}_{\text{2}}$ is $\text{9}$.

(b)

Interpretation Introduction

Interpretation:

The total number of atoms in the compound ${\left({\text{NH}}_{\text{4}}\right)}_{\text{2}}{\text{SO}}_{\text{3}}$ has to be given.

Explanation of Solution

The name of the compound ${\left({\text{NH}}_{\text{4}}\right)}_{\text{2}}{\text{SO}}_{\text{3}}$ is ammonium sulfate.

The number of hydrogen atoms in ${\left({\text{NH}}_{\text{4}}\right)}_{\text{2}}{\text{SO}}_{\text{3}}$ is $\text{8}\text{.}$

The number of nitrogen atoms in ${\left({\text{NH}}_{\text{4}}\right)}_{\text{2}}{\text{SO}}_{\text{3}}$ is $\text{2}\text{.}$

The number of oxygen atoms in ${\left({\text{NH}}_{\text{4}}\right)}_{\text{2}}{\text{SO}}_{\text{3}}$ is $\text{3}\text{.}$

The number of sulfur atoms in ${\left({\text{NH}}_{\text{4}}\right)}_{\text{2}}{\text{SO}}_{\text{3}}$ is $\text{1}\text{.}$

The total number of atoms in the compound ${\left({\text{NH}}_{\text{4}}\right)}_{\text{2}}{\text{SO}}_{\text{3}}$ is $\text{14}\text{.}$

(c)

Interpretation Introduction

Interpretation:

The total number of atoms in the compound ${\text{CH}}_{\text{3}}{\text{CH}}_{\text{2}}\text{COOH}$ has to be given.

Explanation of Solution

The name of the compound ${\text{CH}}_{\text{3}}{\text{CH}}_{\text{2}}\text{COOH}$ is propanoic acid.

The number of carbon atoms in ${\text{CH}}_{\text{3}}{\text{CH}}_{\text{2}}\text{COOH}$ is $\text{3}\text{.}$

The number of hydrogen atoms in ${\text{CH}}_{\text{3}}{\text{CH}}_{\text{2}}\text{COOH}$ is $\text{6}\text{.}$

The number of oxygen atoms in ${\text{CH}}_{\text{3}}{\text{CH}}_{\text{2}}\text{COOH}$ is $\text{2}\text{.}$

The total number of atoms in the compound ${\text{CH}}_{\text{3}}{\text{CH}}_{\text{2}}\text{COOH}$ is $\text{11}\text{.}$

(d)

Interpretation Introduction

Interpretation:

The total number of atoms in the compound ${\text{C}}_{\text{12}}{\text{H}}_{\text{22}}{\text{O}}_{\text{11}}$ has to be given.

Explanation of Solution

The name of the compound ${\text{C}}_{\text{12}}{\text{H}}_{\text{22}}{\text{O}}_{\text{11}}$ is sucrose.

The number of carbon atoms in ${\text{C}}_{\text{12}}{\text{H}}_{\text{22}}{\text{O}}_{\text{11}}$ is $\text{12}\text{.}$

The number of hydrogen atoms in ${\text{C}}_{\text{12}}{\text{H}}_{\text{22}}{\text{O}}_{\text{11}}$ is $\text{22}\text{.}$

The number of oxygen atoms in ${\text{C}}_{\text{12}}{\text{H}}_{\text{22}}{\text{O}}_{\text{11}}$ is $\text{11}\text{.}$

The total number of atoms in the compound ${\text{C}}_{\text{12}}{\text{H}}_{\text{22}}{\text{O}}_{\text{11}}$ is $\text{45}\text{.}$