4 O + 1 S + 1 Fe → FeSO4 The term “molecule” is typically used with covalent compounds. Since iron(II) sulfate is an ionic
compound, a “molecule” of this product is more appropriately described as a “compound unit.”
13. Steve has 22 atoms of monoatomic oxygen, 14 atoms of sulfur, and 11 atoms of Fe. Use this
information to answer the following questions.
a. How many compound units of iron(II) sulfate can be produced based solely on the fact
that Steve has 22 atoms of monoatomic oxygen?
b. How many compound units of iron(II) sulfate can be produced based solely on the fact
that Steve has 14 atoms of sulfur?
c. How many compound units of iron(II) sulfate can be produced based solely on the fact
that Steve has 11 atoms of iron?
d. Identify the limiting reactant.