Chapter 21, Problem 5QP

Referring to Table 21.1, calculate the mole fraction of CO₂ and its concentration in parts per million by volume.

TABLE 21.1 Composition of Dry Air at Sea Level
Gas	Composition (% by Volume)
${\text{N}}_{\text{2}}$	78.03
${\text{O}}_{\text{2}}$	20.99
$\text{Ar}$	0.94
${\text{CO}}_{\text{2}}$	0.033
$\text{Ne}$	0.0015
$\text{He}$	0.000524
$\text{Kr}$	0.00014
$\text{Xe}$	0.000006