Chapter 5, Problem 5.109PAE

Interpretation Introduction

Interpretation:

The mass percentage composition of dry air according to given mole percentage of gases present in dry air should be identified.

Concept introduction:

A dry air is a mixture of different gases which are present in different ratio.

The general composition of a dry air is

Gases	Proportion by volume
$${\text{N}}_{\text{2}}$$	78.03
$${\text{O}}_{\text{2}}$$	20.99
$${\text{CO}}_{\text{2}}$$	0.33
$$\text{Ar}$$	0.93
Other gases	0.065