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Byju's Answer
Standard XII
Chemistry
Ideal Gas Equation
A container h...
Question
A container has 3.2g of a certain gas at NTP. What would be the mass of the same gas contained in the same vessel at
200
o
C
and 16 atm pressure?
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Solution
At NTP,
V
=
22.4
L
,
P
=
1
a
t
m
,
R
=
0.0821
,
T
=
273
K
P
V
=
n
R
T
⇒
n
=
3.2
Molar mass(M)
⇒
P
V
=
(
3.2
M
)
0.0821
×
273
or,
M
=
3.2
×
0.0821
×
273
1
×
22.4
=
3.2019
Now,
M
=Molar weight=
3.2
V
×
22.4
=
3.2019
∴
V
=
22.38
Now, at
16
a
t
m
pressure &
200
o
C
,
T
=
200
+
273
=
473
K
⇒
P
V
=
n
R
T
⇒
P
V
=
W
M
R
T
⇒
16
×
22.38
=
W
3.2019
×
0.0821
×
473
⇒
W
=
16
×
22.38
×
3.2019
0.0821
×
473
=
29.524
g
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