Mole to Volume Stoichiometry

Which option shows the correct working steps to determine the number of moles in a 12 dm³ sample of Cl₂ gas at r.t.p?

• (12/35.5) moles

• (12/71) moles

• (12/24) moles

• (12 x 71) moles

At 100°C, the molar volume of gases is 30 dm³. Calculate the volume of 0.35 moles of steam produced from boiling water.

• 8.4 dm³

• 10.5 dm³

• 3.5 dm³

• 6.3 dm³

What is the volume of 2 moles of an ideal gas at standard temperature and pressure (STP)?

• 22.4 L

• 44.8 L

• 11.2 L

• 33.6 L

If 0.5 moles of nitrogen gas occupy a volume of 11.2 L at STP, what is the volume of 1 mole of nitrogen gas?

• 11.2 L

• 22.4 L

• 5.6 L

• 44.8 L

How many moles of carbon dioxide are present in a 44.8 L container at STP?

• 1 mole

• 2 moles

• 0.5 moles

• 4 moles

A chemical reaction produces 0.75 moles of oxygen gas. What volume does this gas occupy at STP?

• 16.8 L

• 22.4 L

• 33.6 L

• 11.2 L

What is the molar volume of a gas at 273 K and 1 atm?

• 22.4 L

• 24 L

• 20 L

• 18 L

Calculate the volume of 3 moles of hydrogen gas at STP.

• 67.2 L

• 22.4 L

• 44.8 L

• 33.6 L

If 1 mole of a gas occupies 24 L at room temperature, what is the volume of 0.25 moles of the gas?

• 6 L

• 12 L

• 24 L

• 18 L

What volume will 0.1 moles of helium gas occupy at STP?

• 2.24 L

• 22.4 L

• 0.224 L

• 1.12 L