Imagine a planet that has a similar atmospheric pressure to Earth (760 mmHg), but different concentrations of gases in its atmosphere. On this hypothetical planet, oxygen makes up 10% of the atmosphere, carbon dioxide makes up 15%, and nitrogen makes up the remaining 75%. Based on this information, what is the partial pressure of oxygen on this new planet?

Question

Quizplus · Accepted Answer

The partial pressure of a gas in a mixture is calculated by multiplying the total pressure of the mixture by the fraction of the gas in the mixture. For oxygen, with 10% of the atmosphere, its partial pressure would be 0.10 * 760 mmHg = 76 mmHg.

Imagine a Planet That Has a Similar Atmospheric Pressure to Earth