Two Step Mole Problems Handout 2

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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 CO @STP
2. 1.76E24 molecules Cl2
3. 7.97E23 fu Al2O3
4. 1.04E24 atom Ne
5. 458g SO3


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Last edited December 11, 2009 2:35 pm (diff)
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