Chapter 15, Problem 1CE

Interpretation Introduction

Interpretation

The four quantities which are related to the concept of a mole of gas are to be stated.

Concept introduction:

The ideal gas equation is used to represent the relation between the volume, pressure, temperature and number of moles of an ideal gas. The ideal gas equation is represented as given below.

$\text{PV}=\text{nRT}$

Answer to Problem 1CE

The four quantities which are associated to the concept of a mole of gas are:

• Mass of a gas

• Number of gaseous particles

• Volume of a gas at STP

• Molar concentration of a gas

Explanation of Solution

The ideal gas law gives a relationship, between number of moles pressure volume and, temperature.

The formula of ideal gas equation is given below.

$PV=nRT$ …(1)

The above equation is rewritten as follows.

$n=PV/RT$

Where,

• $n$ is the number of moles of a gas.

• $P$ is the pressure of the gas.

• $V$ is the volume of the gas.

• $R$ is the gas constant.

• $T$ is the temperature.

Therefore, the four quantities which are related to the concept of a mole of gas are mass of the gas; number of gaseous particles; volume of a gas and molar concentration of gas particles.

Conclusion

The major quantities in relation to a mole of gas are mass of gas; number of gaseous particles; volume of gas at STP; and the molar concentration of a solution.