6-2 Relate Pressure, Volume, Temperature, and moles of gas

6-2-1.  What is the mass of a 248.0 mL sample of oxygen gas at 100.00oC and 0.500 atm?
A. 0.130 g, B. 0.484 g, C. 2.03 g




6-2-3. Which of the following gas samples has the smallest volume at 300K and 125 Torr?
A. 1.00 mol H₂, B. 2.00 mol He, C. 2.00 mol CH₄


6-2-4. Which of the following gas samples has the smallest volume at 300K and 125 Torr?
A. 1.00 g H₂, B. 2.00 g He, C. 2.00 g CH₄



6-2-ALD. A sample of Freon-12 (CF₂Cl₂) occupies 25.5L at 25°C and 153.3 kPa. Find its volume at STP.
A. 22.4L
B. 0.00L
C. 3580L
D. 35.5L