Question

Mole Conversion Practice Problems
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Calculate the molar mass for these compounds:
1. C3H6O2
2. Fe(NO3)3
1 Step Problems

Use T-charts to solve the conversion problems. SHOW ALL WORK!!!!!!
Moles-Mass conversions
3. How many moles of carbon monoxide are in a 350 g sample?
4. What is the mass of 5.5 mole of silicon?
Moles-Particles conversions
5. How many moles are 1.51x1015 atoms of silicon?
6. How many molecules are 5.90 moles of Ca(CO3)2 ?

Moles-Liters conversions
7. What is the volume at STP of 2.66 mol of methane (CH4) gas?
8. How many moles is 135 L of ammonia (NH3) gas?

2 Step Problems
Use T-charts to solve the conversion problems. SHOW ALL WORK!!!!!!

Liters-Mass conversions
9. How many liters of carbon dioxide are in a 475 g sample?
10. What is the mass of 17.2 L of water?
Mass-Particles conversions
11. How many grams are 2.86x1017 atoms of silicon?
12. How many molecules are 5.90 grams of Ca(CO3)2 ?
Particles-Liters conversions
13. What is the volume at STP of 2.66 x 1025 molecules of methane (CH4) gas?
14. How many particles is 123 L of ammonia (NH3) gas?

Answer 1

Explanation:

1 mole = 22.4 liters. 2.66 x 22.4 = 59.58 liters.

Answer 2

carbon dioxide gas sample at laboratory temperature and ... gas occupies the same volume as one mole of any other ideal gas. ... stoppered flask filled with CO2 is 82.237 g.