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JEE Main Chemistry Class 11 States of Matter Questions
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© examsnet.com
Question : 11
Total: 77
A mixture of hydrogen and oxygen contains
40
%
hydrogen by mass when the pressure is
2.2
bar. The partial pressure of hydrogen is bar. (Nearest Integer)
[26-Jul-2022-Shift-1]
Your Answer:
Validate
Solution:
40
%
w
∕
w
hydrogen gas is given in mixture of
H
2
and oxygen.
Wt. of
H
2
=
40
g
Wt. of
O
2
=
60
g
χ
H
2
=
n
H
2
n
H
2
+
n
O
2
=
40
2
40
2
+
60
32
=
20
20
+
1.875
=
20
21.875
=
0.914
P
H
2
=
χ
H
2
×
P
T
=
0.914
×
2.2
=
2.01
≃
2
bar
© examsnet.com
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