Chapter 4, Problem 4.26QP

Interpretation Introduction

Interpretation: The increase in the concentration of ${\text{SF}}_6$ over the given years is given in parts per trillion. The increase in the number of molecules of ${\text{SF}}_6$ is to be calculated.

Concept introduction: One part per trillion is equal to picoliter of the solute present in one liter of the solution.

One mole is equivalent to $22.4\text{L}$ of the gas.

To determine: The increase in the number of molecules of ${\text{SF}}_6$ per liter of air.