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Mixed Stoichiometry Problems
A
B
C
D
1.
Given the reaction: 2 C
2
H
6
+ 7 O
2
--> 4 CO
2
+ 6 H
2
O
What quantity (in moles) of CO
2
is produced when 30.0 grams of C
2
H
6
burns completely?
a.
1.0
b.
2.0
c.
4.0
d.
8.0
A
B
C
D
2.
What mass of oxygen is produced by the decomposition of 3.0 moles of water?
2 H
2
O --> 2 H
2
+ O
2
a.
1.5 g
b.
32 g
c.
36 g
d.
48 g
A
B
C
D
3.
Given the reaction: N
2
+ 3 H
2
--> 2 NH
3
If 14 grams of N
2
are consumed in the reaction, what mass of H
2
is consumed?
a.
6.0 g
b.
2.0 g
c.
3.0 g
d.
4.0 g
A
B
C
D
4.
Given the reaction: N
2
+ 3 H
2
--> 2 NH
3
What mass of H
2
is needed to produce exactly 1 mole of ammonia (NH
3
)?
a.
1 g
b.
2 g
c.
3 g
d.
4 g
A
B
C
D
5.
Given the reaction: 2 H
2
+ O
2
--> 2 H
2
O
What mass of oxygen will combine with 3.0 grams of hydrogen to produce water?
a.
1.5 g
b.
0.37 g
c.
6.0 g
d.
24 g