At Sea Level, Atmospheric Pressure Is 760 Mm Hg

question 69

Multiple Choice

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

• 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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