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

Question

Air is about 78.0% nitrogen molecules and 21.0% oxygen molecules. Several gases make up the remaining 1% of air molecules.

An "empty" container is not really empty if it contains air.

Part A: How many moles of Nitrogen are in an "empty" two-liter cola bottle at atmospheric pressure and room temperature (25 degrees Celsius). assume ideal behavior

Part B: How many moles of Oxygen are in an "empty" two-liter cola bottle at atmospheric pressure (1atm) at room tempertature (25 degrees celsius) assume ideal behavior

Explanation / Answer

1) What is the partial pressure of nitrogen in air at atmospheric pressure is 78.0% of 1 atm = 0.780 atm 2) What is the partial pressure of oxygen in air at atmospheric pressure is 21.0% of 1 atm = 0.210 atm

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