Leon M. Goldstein High School for the Sciences



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Worksheet: Molar Volume

Which gas has a density of 1.70 g/L at STP?

(1) F2 (2) He (3) N2 (4) SO2

Which quantity represents 0.500 moles at STP?

(1) 22.4 L of nitrogen (3) 32g of oxygen

(2) 11.2 L of oxygen (4) 28 g of nitrogen

At STP 32.0 Liters of oxygen contains the same number of molecules as

(1) 22.4 liters of Ar (3) 32.0 L of H2

(2) 28.0 L of N2 (4) 44.8 L of He

4. A 1.00 mole sample of Neon gas has a volume of 22.4 L at 298 K and 101.3 Kpa. Calculate the density of this sample.

D = Mass/ Volume D = 20.17g / 22.4 L = 0.9 g/ L

5. What is the volume of 0.8 moles of Chlorine gas at STP?

0.8 moles * 22.4 L = 17.9 L

6. How many moles of Fluorine gas are contained in 44.8 L of F2 gas at STP?

44.8 L / 22.4 L/mol = 2 mol

7. What is the volume of 6.5 moles of Helium at STP?

6.5 moles * 22.4 L/mole = 145.6 L

8. What is the volume of 0.5 moles of N2 at STP?

0.5 moles * 22.4 L/mole = 11.2 L

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