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Byju's Answer
Standard X
Chemistry
Gay-Lussac's Law
Number of mol...
Question
Number of moles of nitrogen in 1 L of air containing 78%nitrogen by volume at STP will be
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Solution
Dear Student,
Given " volume % = 78% N
2
Volumne of air = 1L
Volume % =
v
o
l
u
m
e
o
f
N
2
V
o
l
u
m
e
o
f
a
i
r
×
100
putting the values we get
78
=
V
N
2
1
×
100
V
N
2
= 0.78
At STP 22.4 L =1mole
so 0.78 L =
1
22
.
4
×
0
.
78
= 0.34 moles
Regards!
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