When the Air in a Testing Chamber Is Specially Mixed

question 88

Multiple Choice

When the air in a testing chamber is specially mixed so that its oxygen content is 10% and its overall air pressure is 400 mm Hg, then the partial pressure of oxygen is

• A) 400 mm Hg.
• B) 82 mm Hg.
• C) 40 mm Hg.
• D) 21 mm Hg.
• E) 4 mm Hg.

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