Chapter 21, Problem 58QP

Interpretation Introduction

Interpretation:

The percentage by volume of ${\text{CO}}_2$

gas in the air sample is to calculated.

Concept introduction:

A balanced chemical equation must contain an equal number of similar atoms on each side.

The ideal gas equation is given by the expression as follows:

$PV=n\text{R}T$

Here, $P\text{,}V,n\text{,}\text{R,}\text{and}T$ are pressure, volume, number of moles, universal gas constant, and temperature, respectively.