Atmospheric Pressure at Sea Level Is Equal to a Column

question 21

Multiple Choice

Atmospheric pressure at sea level is equal to a column of 760 mm Hg.Oxygen makes up 21% of the atmosphere by volume.The partial pressure of oxygen in such conditions is

• A)160 mm Hg.
• B)16 mm Hg.
• C)1.6 mm Hg.
• D)760 mm Hg.

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