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WorksheetsStoichiometry
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
What type of reaction is represented 2H2 + O2 = 2H2O?
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Neutralization
2.
What type of reaction produces carbon dioxide and water?
a)
Neutralization
b)
Synthesis
c)
Decomposition
d)
Combustion
3.
What is the name of the following reactants?
a)
hydrogen chloride plus sodium hydroxide.
b)
hydrochloric acid plus sodium hydroxide.
c)
dihydrogen monoxide plus sodium hydroxide.
d)
dihydrogen monoxide plus sodium chloride.
4.
What are the correct coefficients to balance the equation?
a)
1, 1, 1, 1
b)
1, 2, 1, 2
c)
2, 1, 2, 1
d)
2, 3, 2, 4
5.
What is the mole to mole ratio of propane to carbon dioxide in the equation?
a)
1:3
b)
1:5
c)
1:4
d)
1:1
6.
What is the conversion factor from mol to particles?
a)
2018
b)
6.02 x 10^23
c)
22.4
d)
molar mass
7.
What is the molar mass of iron (III) oxide?
a)
72 g
b)
200 g/mol
c)
104 g/mol
d)
160 g/mol
8.
How many moles of gas are in 56 L at standard temperature and pressure (STP)?
a)
1.5 mol
b)
2.0 mol
c)
2.5 mol
d)
2.25 mol
9.
What is the number of molecules in 0.50 moles of Nitrogen gas?
a)
3.01 x 10^23 molecules
b)
6.02 x 10^23 molecules
c)
1.20 x 10^24 molecules
d)
4.214 x 10^23 molecules
10.
What is the mass of 2 moles of propane (C3H8)?
a)
44 g
b)
88 g
c)
22 g
d)
13 g
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