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Mole Ratio worksheet
Write the balanced equation and solve each of the following:
1. Aluminum metal and hydrogen chloride react to form aluminum chloride and hydrogen
gas.
a.
How many moles of aluminum metal are needed to produce 3.33 moles
of aluminum chloride?
b.
How many grams of hydrogen chloride are needed to react with 45grams
of aluminum metal?
2. Aluminum bromide and sodium hydroxide react to form aluminum hydroxide and
sodium bromide.
a.
How many moles of sodium bromide can be formed from 1.55 moles of
aluminum bromide?
b.
How many atoms of aluminum hydroxide may be formed from 65 grams
of sodium hydroxide?
3. Methane gas (carbon tetrahydride) reacts with oxygen by combustion.
a.
How many moles of methane are needed to produce 3.5 X 1024 molecules
of carbon dioxide?
b.
How many moles of oxygen are needed to react to form the 95 grams of
carbon dioxide?
c.
How many moles of atoms of oxygen would there be in your answer to
question #3b?
Stoichiometry Worksheet
In a combustion reaction, acetylene (C2H2) combines with oxygen to form carbon dioxide
and water.
Step 1: Balance the equation: ___ C2H2 + ___ O2  ___ CO2 + ___ H2O
4. 3.80 moles of oxygen are used up in the reaction. How many moles of water are
produced?
5. How many grams of oxygen does it take to produce 9.60 moles of carbon
dioxide?
6. How many moles of carbon dioxide are produced with using 5.80 grams of
acetylene?
7. How many grams of oxygen are required to burn 13.50 grams of acetylene?
DO NOT WRITE ON THIS WORKSHEET
DO NOT WRITE ON THIS WORKSHEET
Mole Ratio worksheet
Write the balanced equation and solve each of the following:
1. Aluminum metal and hydrogen chloride react to form aluminum chloride and hydrogen
gas.
a. How many moles of aluminum metal are needed to produce 3.33 moles of
aluminum chloride?
b. How many grams of hydrogen chloride are needed to react with 45grams of
aluminum metal?
2. Aluminum bromide and sodium hydroxide react to form aluminum hydroxide and
sodium bromide.
a. How many moles of sodium bromide can be formed from 1.55 moles of
aluminum bromide?
b. How many atoms of aluminum hydroxide may be formed from 65 grams
of sodium hydroxide?
3. Methane gas (carbon tetrahydride) reacts with oxygen by combustion.
a. How many moles of methane are needed to produce 3.5 X 1024 molecules of
carbon dioxide?
b. How many moles of oxygen are needed to react to form the 95 grams of carbon
dioxide?
c. How many moles of atoms of oxygen would there be in your answer to question
#3b?
Stoichiometry Worksheet
In a combustion reaction, acetylene (C2H2) combines with oxygen to form carbon dioxide
and water.
Step 1: Balance the equation: ___ C2H2 + ___ O2  ___ CO2 + ___ H2O
4. 3.80 moles of oxygen are used up in the reaction. How many moles of water are
produced?
5. How many grams of oxygen does it take to produce 9.60 moles of carbon
dioxide?
6. How many moles of carbon dioxide are produced with using 5.80 grams of
acetylene?
7. How many grams of oxygen are required to burn 13.50 grams of acetylene?
DO NOT WRITE ON THIS WORKSHEET