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Class 11 NEET Chemistry Some Basic Concepts Of Chemistry
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© examsnet.com
Question : 34
Total: 60
The maximum number of molecules is present in
(2004)
15
L
of
H
2
gas at STP
5
L
of
N
2
gas at STP
0.5
g
of
H
2
gas
10
g
of
O
2
gas.
Validate
Solution:
At
S
T
P
,
22.4
L
=
6.023
×
10
23
molecules
15
L
H
2
=
6.023
×
10
23
×
15
22.4
=
4.033
×
10
23
5
L
N
2
=
6.023
×
10
23
×
5
22.4
=
1.344
×
10
23
2
g
H
2
=
6.023
×
10
23
0.5
g
H
2
=
6.023
×
10
23
×
0.5
2
=
1.505
×
10
23
32
g
O
2
=
6.023
×
10
23
10
g
of
O
2
=
6.023
×
10
23
×
10
32
=
1.882
×
10
23
© examsnet.com
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