The Composition (In Mole Percent)of the Atmosphere Is 78

question 30

Multiple Choice

The composition (in mole percent) of the atmosphere is 78.1% N₂,21.0% O₂,and 0.9% Ar.What is the partial pressure of each gas when the barometric pressure is 754.1 mm Hg?

• A) N₂ = 21.1 atm,O₂ = 6.5 atm,Ar = 0.3 atm
• B) N₂ = 78.1 mm Hg,O₂ = 21.0 mm Hg,Ar = 0.9 mm Hg
• C) N₂ = 244 mm Hg,O₂ = 244 mm Hg,Ar = 244 mm Hg
• D) N₂ = 405 mm Hg,O₂ = 234 mm Hg,Ar = 293 mm Hg
• E) N₂ = 589 mm Hg,O₂ = 158 mm Hg,Ar = 7 mm Hg

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