Chapter 18, Problem 64AE

Interpretation Introduction

Interpretation:

The average molar mass of ${\text{Kr, CH}}_4{\text{ and O}}_{\text{2}}$ at the surface and at an altitude at which all ${\text{O}}_{\text{2}}$ is photo dissociated are to be calculated.

Concept introduction: The number of moles is defined as the ratio of mass with the molecular mass of an element. The mass of an element is the amount of the substance present in an element. The molar mass is the ratio of the given mass to the number of moles in a given species.

To determine: The average molar mass of ${\text{Kr, CH}}_4{\text{ and O}}_{\text{2}}$ at the surface and at an altitude.