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WorksheetsMole Ratios
Total questions: 8
Worksheet time: 7mins
Name
Class
Date
1.
What type of reaction is this:
2C2H2 + 5O2 → 4CO2 + 2H2O
2C2H2 + 5O2 → 4CO2 + 2H2O
a)
Synthesis
b)
Double Replacement
c)
Combustion
d)
Decomposition
2.
What is the mole ratio of C2H2 and O2?
a)
2 : 5
b)
5 : 2
c)
1 : 2.5
d)
no mole ratio, the atoms do not match
3.
If you have 3.5 moles of C2H2, how many moles of O2 would you need to react all of it?
a)
5 moles O2
b)
Cannot react C2H2 and O2
c)
8.75 moles O2
d)
1.4 moles O2
4.
What is the mole ratio of C2H2 and CO2?
a)
2 : 4
b)
4 : 2
c)
1 : 3
d)
3 : 1
5.
If you wanted to make 5 moles of CO2, how many moles of C2H2 would you need?
a)
2 moles C2H2
b)
2.5 moles C2H2
c)
10 moles C2H2
d)
C2H2 does not react to form CO2
6.
What is the mole ratio of O2 and H2O?
a)
5 : 2
b)
2 : 5
c)
2.5 : 1
d)
1 : 2.5
7.
If you have 0.5 moles O2, how many moles of H2O can you produce?
a)
2 moles H2O
b)
0.2 moles H2O
c)
0.5 moles H2O
d)
1.25 moles H2O
8.
If you have 0.5 moles O2, how many GRAMS of H2O can you produce?
a)
0.01 g H2O
b)
3.60g H2O
c)
36.04g H2O
d)
0.20g H2O
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