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Gas Stoichiometry
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
A
B
C
D
1.
Given the reaction:
2
PbO -->
2
Pb + O
2
What is the total volume of O
2
, measured at STP, produced when 1.00 mole of PbO decomposes?
a.
44.8 L
b.
22.4 L
c.
11.2 L
d.
5.60 L
A
B
C
D
2.
Given the balanced equation: Ca +
2
H
2
O --> Ca(OH)
2
+ H
2
When 80.2 grams of Ca react completely with the water, what is the total volume, at STP, of H
2
produced?
a.
44.8 L
b.
22.4 L
c.
2.00 L
d.
1.00 L
A
B
C
D
3.
Given the reaction at STP:
2
KClO
3
(s)
-->
2
KCl
(s)
+
3
O
2
(g)
What mass of KClO
3
(s)
is required to produce 32.0 liters of O
2
(g)
?
a.
0.952 g
b.
21.3 g
c.
117 g
d.
263 g
A
B
C
D
4.
Given the balanced equation: C
3
H
8
+
5
O
2
-->
3
CO
2
+
4
H
2
O
What is the total number of liters of CO
2
produced when 20.0 liters of O
2
are completely consumed?
a.
12.0 L
b.
22.4 L
c.
3.00 L
d.
5.00 L