Mole Relationships

Fun Fact: some people think that air is a synonym for oxygen, but it is actually 78% nitrogen and only 21% oxygen.

If you have a large balloon filled with 6.0 L of nitrogen at STP, how many moles of N₂ are in that balloon?

• 0.51 moles

• 0.44 moles

• 0.27 moles

• 0.19 moles

Determine the volume in liters of 0.60 mol of SO₂ gas at STP

• 13.44L

• 37.33L

• 0.026L

• 1.344L

At STP, how many moles are in 62.4 Liters of Ammonia gas

• 0.359 mol

• 1398 mol

• 2.8 mol

• 1.28 mol

What is the volume of 3.70mol of Nitrogen gases at STP

• 77.7L

• 6.05L

• 82.8L

• 0.1L65

An average breath contains 500 mL of gas. Assuming the air is an ideal gas at STP, how many moles of air are pushed out with each breath?

• 0.022 moles

• 22 moles

• 0.22 moles

• 2.2 moles

Tags

NGSS.HS-PS1-7

At STP, 1 mol of gas has a volume of

• 34L

• 22.4L

• 60L

• 0.6L