At the Summit of a High Mountain, the Atmospheric Pressure

question 6

Multiple Choice

At the summit of a high mountain, the atmospheric pressure is 380 mm Hg. If the atmosphere is still composed of 21% oxygen, what is the partial pressure of oxygen at this altitude?

• A)0 mm Hg
• B)80 mm Hg
• C)160 mm Hg
• D)380 mm Hg
• E)760 mm Hg

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