Study Biology

Question 56

(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 PO₂ is


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

Answer

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