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ChemistryLiquid SolutionColligative PropertiesMedium2 minPYQ_2020
ChemistryMediumnumerical

A cylinder containing an ideal gas (0.1molof1.0dm3) is in thermal equilibrium with a large volume of0.5molal aqueous solution of ethylene glycol at its freezing point. If the stoppersS1andS2(as shown in the figure) are suddenly withdrawn, the volume of the gas in litres after equilibrium is achieved will be _____________.
(Given,Kfwater=2.0Kkgmol-1,R=0.08dm3atmK-1mol-1

Question diagram: A cylinder containing an ideal gas ( 0.1 m o l of 1.0 d m 3
Answer:
2.18
Solution:


k,=2.0
m=0.5m
Tr=km
Tintial=272K
n=0.1mol
V=1dm3
Pgas=nRTV=0.1×0.08×2721
After releasing pistonP1V1=P2V2
2.176×1=1×V2
V3=2.176dm3

Stream:JEESubject:ChemistryTopic:Liquid SolutionSubtopic:Colligative Properties
2mℹ️ Source: PYQ_2020

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