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Question
Chemistry
How many moles of oxygen gas can be produced during electrolytic decomposition of 180 g of water?
Q. How many moles of oxygen gas can be produced during electrolytic decomposition of
180
g
of water?
3030
244
Some Basic Concepts of Chemistry
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A
5
m
o
l
83%
B
7
m
o
l
5%
C
3
m
o
l
6%
D
2
m
o
l
6%
Solution:
2
H
2
O
→
2
H
2
+
O
2
2
×
18
=
36
g
36
g
of water produces
1
m
o
l
of
O
2
gas.
180
g
of water will produce
36
180
=
5
m
o
l
of
O
2
gas