Air is about 78.0% nitrogen molecules and 21.0% oxygen molecules. Several other

Question

Air is about 78.0% nitrogen molecules and 21.0% oxygen molecules. Several other gases make up the remaining 1% of air molecules. What is the partial pressure of nitrogen in air at atmospheric pressure (1 atm)? Assume ideal behavior. Express your answer to three significant figures and include the appropriate units. This question will be shown after you complete previous What is the partial pressure of oxygen in air at atmospheric pressure (1 atm)? Assume ideal behavior. Express your answer to two decimal places and include the appropriate units.

Explanation / Answer

Part A

the partial pressure of nitrogen in air at atmospheric pressure is

= 78.0% of 1 atm = 0.780 atm

Part C

the partial pressure of oxygen in air at atmospheric pressure is

21.0% of 1 atm = 0.210 atm

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