If a planet were discovered where the barometric pressure was 2,000 mm Hg and the air was 15 percent O₂, the partial pressure of its O₂ at sea level would be A) 15 percent. B) 15 mm Hg. C) 133 mm Hg. D) 300 mm Hg. E) 30 percent.

Question

Quizplus · Accepted Answer

The partial pressure of a gas is calculated by multiplying the total pressure by the percentage of the gas. Here, 2000 mm Hg * 0.15 = 300 mm Hg.

If a Planet Were Discovered Where the Barometric Pressure Was