Name ____________________________________ Date ___________________ Period _________
Moles, Grams, Particles and Liter Calculations
Solve the following problems. Show ALL work with units and round all answers to the correct number of
significant figures. All answers must have a UNIT and FORMULA.
1. How many formula units are there in 24.0 grams of iron (III) fluoride?
Formula: _______________
#1 Answer:
2. How many formula units are there in 3.17 moles of sodium sulfate?
Formula: _______________
#2 Answer:
3. How many atoms are there in 412 grams of silver?
Formula: _______________
#3 Answer:
4. How many moles are there in 7.40 x 1023 formula units of silver nitrate?
Formula: _______________
#4 Answer:
5. How many grams are there in 3.92 x1023 formula units of copper (II) nitrate? Formula: _______________
#5 Answer:
6. Susie determines she has 9.03 x 1024 molecules of sulfur trioxide, how many liters does this gas take up.
Formula: _______________
#6 Answer:
7. Jake has 5.90 moles of carbon dioxide:
a. How many grams is this?
#7a Answer:
b. What volume would this sample of carbon dioxide occupy at STP?
#7b Answer:
8. Jenny has 36.0 liters of bromine gas (Br2), how many molecules of bromine gas does she have?
#8 Answer:
9. Avogadro gets the following data in lab:
Mass of beaker: 45.3 grams
Mass of beaker and iodine gas: 97.3 grams
a. How many moles of iodine gas does Avogadro have?
Formula: _______________
#9a Answer:
b. How many liters does the iodine gas take up?
#9b Answer: