At Sea Level, Atmospheric Pressure Is 760 Mm Hg

question 61

Multiple Choice

At sea level, atmospheric pressure is 760 mm Hg. Oxygen gas is approximately 21% of the total gases in the atmosphere, so the approximate partial pressure of oxygen is

• A) 0.2 mm Hg.
• B) 20.0 mm Hg.
• C) 76.0 mm Hg.
• D) 160.0 mm Hg.
• E) 508.0 mm Hg.

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