The Mole #6 1.

Molar Volume Calculations

Name:

What volume is occupied by:

a) 12.5 moles of nitrogen gas at STP?

b) 5.00 moles of any gas at STP?

c) 0.0056 mol of laughing gas at STP?

d) 2.4 x 104 mol He gas at STP.

2.

Calculate the number of moles in:

a) 56.9 L of argon at STP.

b) 0.345 L of mustard gas at STP.

c) 0.003896 L of He at STP.

d) 690 L of CO2 at STP.

3.

What is the mass in grams of 17.0 liters of methane gas (CH4) at STP?

4.

How many liters will 48.6 grams of CO2 occupy at STP?

5.

What volume is occupied by 100.0 grams of chlorine gas (Cl2) at STP?

6.

What is the molar mass of gas that has a density of 1.97 g/L at STP?

7.

One liter of a certain gas has a mass of 0.179 grams at STP. Identify the gas.