1. No category

Name: __________________________________________
Mole Study Guide Worksheet
Date: ________________
1. What is the mass of one mole of each of the following?
a. sugar, C12H22O11
e. sulfuric acid
b. oxygen gas, O2
f. ammonia, NH3
c. gold
g. K3[Fe(CN)6]
d. lithium hydroxide
h. caffeine, C8H10N4O2
2. How many molecules are there in 6.8 moles of carbon monoxide gas?
3. How many moles are there in 6.32 x 1024 molecules of CHCl3?
4. Calculate the number of atoms, molecules, or ions in each of the following quantities.
a. 20.0 g Ca atoms
c. 68.0 g H2S molecules
b. 3.34 mol CO2 molecules
d. 0.125 mol Mg2+ ions
5. Calculate the number of moles in each of the following.
a. 188.0 g Zn
d. 32.0 g SO2
b. 160.0 g Br2
e. 10.0 g Na2S
c. 293.0 g Fe
f. 84.2 g K2SO4
Name: __________________________________________
Mole Study Guide Worksheet
Date: ________________
6. What is the volume of 2.66 mol of methane (CH4) gas?
7. What is the equivalent in moles of 135 L of ammonia (NH3) gas?
8. How many formula units are there in 5.55 g of copper II nitrate?
9. 0.002 grams of bromine gas will be how many liters?
10. Find the percentage of nitrogen in ammonium nitrate, NH4NO3, an important source of
nitrogen in fertilizers.
11. Calculate the mass percent of each element in the following compounds.
a. PbS, lead (II) sulfide
b. C3H8, propane (a hydrocarbon fuel)
c. C6H5OH, phenol (an organic compound used in some cleaners)
12. One atom of gold will have what mass? (in nanograms; 109 ng = 1 g)