Two Step Mole Problems Handout 2

ChemistryWiki | RecentChanges | Preferences

Two Step Mole Problems Handout 2

Answer the following problems show all work. For the purpose of this handout, all gases are assumed to be at STP (standard temp & pressure).

Answers should be completed on two separate sheets

1. How many liters (@STP) do you have if I have 34.5g of carbon monoxide gas?

2. How many molecules do I have if I have 65.4 liters of elementary chlorine gas @STP?

3. How many formula units of aluminum oxide do I have if I have 135g of this salt?

4. What is the number of atoms in 34.5g of neon gas?

5. What is the mass of 3.45E24 molecules of sulfur trioxide?

Two Step Mole Problems Handout 2
Answer Key

1. 27.6L C₁O₁ @STP
2. 1.76E24 molecules Cl₂
3. 7.97E23 fu Al₂O₃
4. 1.04E24 atom Ne
5. 458g S₁O₃