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TS EAMCET 19-July-2022 Shift 2 Solved Paper
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© examsnet.com
Question : 142
Total: 160
Calculate the quantity of
C
O
2
required to prepare
1
L
of soda water when the soda water was packed under 2 atm of
C
O
2
.
[Henry's law constant for
C
O
2
is
1.67
×
10
8
P
a
]
5.98
g
1.21
g
2.9
g
67.1
g
Validate
Solution:
According to Henry's law,
p
=
K
H
×
x
where,
p
=
partial pressure of gas
x
=
mole fraction of gas in solution
K
=
Henry's constant
p
=
K
H
×
x
x
=
2
×
1.013
×
10
5
1.67
×
10
8
n
CO
2
1000
∕
18
=
2
×
1.013
1.67
×
1000
⇒
n
CO
2
=
2.026
×
1000
1.67
×
1000
×
18
⇒
mass of
CO
2
44
=
2.026
1.67
×
18
Mass of
CO
2
⇒
2.96
g
© examsnet.com
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