If the total pressure of a mixture of gases was 760 mm Hg and its composition is 20% oxygen, 0.04% carbon dioxide, 75% nitrogen, and 5% water vapor, then the partial pressure of oxygen would be ________.
A) 740 mm Hg
B) 20 mm Hg
C) 148 mm Hg
D) 152 mm Hg
E) 200 mm Hg

Question

Quizplus · Accepted Answer

The partial pressure of oxygen can be calculated by multiplying the total pressure by the percentage of oxygen in the mixture: $760 \, \text{mm Hg} \times 0.20 = 152 \, \text{mm Hg}$.

If the Total Pressure of a Mixture of Gases Was