Chapter 5, Problem 59E

Interpretation Introduction

Interpretation:

The number of air particles should be determined if an adult inhales $\text{450mL}$ volume of air at $\text{745torr}$ and ${\text{22}}^{\text{o}}\text{C}$.

Concept introduction:

• According to ideal gas equation,

$\text{number}\text{of}\text{moles}\text{=}\frac{\text{pressure}\text{×}\text{Volume}}{\text{R}\text{×}\text{Temperature}}$

• According to Avogadro,

$\text{1 mole}\text{=}\text{6}\text{.022}\text{×}{\text{10}}^{\text{23}}\text{particle}$