If 20% of the Air Is Composed of O₂, the Partial

question 14

Multiple Choice

If 20% of the air is composed of O₂, the partial pressure of oxygen at sea level where atmospheric pressure is 760 mm Hg is

• A)20 mm Hg
• B)760 mm Hg
• C)70 mm Hg
• D)350 mm Hg
• E)152 mm Hg

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