The partial pressure of nitrogen at 1 atm is _____ mm Hg
a. 661.2 c. 159.6
b. 592.8 d. 0.228
ANS: B
The partial pressure of nitrogen can be calculated by multiplying the barometric pressure by the percentage of nitrogen in the air, or 760 mm Hg ? 0.78 = 592.8 mm Hg.
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