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Student
Stoichiome ry Problems Worksheet #1
*______
1. How many moles of ammonium sulfate can be made from the
reaction of 30.0 mol of NH3 with H2504 according to the
following unbalanced chemical equation?
____NH3 + ____H2504 -, ____(NH4)2504
30.0
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2. In a very violent reaction called a thermite reaction,
aluminum metal reacts with iron(III)oxide to form iron
metal and aluminum oxide.
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a. What mass of Al will react with 150 g of Fe203?
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b. If 0.905 mol Al203 is produced in the reaction, what
mass of Fe is produced?
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c. How many moles of iron(III)oxide will react with 99.0
g of aluminum?
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3. What mass of sulfuric acid is required to react with 1.27 g
of potassium hydroxide? The products of this reaction are
potassium sulfate and water.
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4. Methyl butanoate, an oily substance with a strong fruity
fragrance, can be made by reacting butanoic acid with
methanol according to the following equation:
C3H7COOH
+
CI-130H
-* C31-I7COOCH3
+
C
H20
‘52’
a. What mass 4’f methyl butanoate s produced from the
reaction of 52.5 g of butanoic acid?
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b. In order to purify methyl butanoate, water must be
removed. What mass of water is produced from the
reaction of 5800. g of methanol?
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5. Ammonium nitrate decomposes to yield nitrogen gas, water
and oxygen gas.
a. Write the balanced chemical equation for this
reaction.
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b. How many moles of nitrogen gas are produced when 36.0
g of ammonium nitrate reacts?
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c. If 7.35 mol of water are produced in this reaction,
what mass of ammonium nitrate reacted?
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