7. Gases
The Ideal Gas Law
7. Gases The Ideal Gas Law
31PRACTICE PROBLEM
Air is made up of approximately 21.0% oxygen and 78.0% nitrogen. A 25.0-L sample of air is collected at 1.00 atm and 30.0°C. Determine the number of molecules of oxygen in the sample.
Air is made up of approximately 21.0% oxygen and 78.0% nitrogen. A 25.0-L sample of air is collected at 1.00 atm and 30.0°C. Determine the number of molecules of oxygen in the sample.