The lower Earth atmosphere is mostly composed of nitrogen gas by approximately 78%, and the oxygen content is approximately 20.9%. According to this composition of gases in the lower atmosphere, oxygen gas is the solute.

Question

Quizplus · Accepted Answer

In a solution, the solute is the substance present in a smaller amount. Since oxygen is present in a smaller percentage compared to nitrogen in the atmosphere, it is considered the solute.

The Lower Earth Atmosphere Is Mostly Composed of Nitrogen Gas