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ChemistryLiquid SolutionAzeotropic Mixtures/Non-ideal solution.Medium2 minPYQ_2021
ChemistryMediumnumerical

The boiling point of water in a molal silver nitrate solution (solution ) is . To this solution , an equal volume of molal aqueous barium chloride solution is added to make a new solution B. The difference in the boiling points of water in the two solutions and is .
(Assume: Densities of the solutions and are the same as that of water and the soluble salts dissociate completely.
Use: Molal elevation constant (Ebullioscopic Constant), ; Boiling point of pure water as .)
The value ofxis ___.

Answer:
100.10
Solution:

Given for solutionA

m=0.1

i= 1 for AgNO3=2

Kb=0.5 Kg mol-1

So ΔTb=TbTb=1 Kbm

Tb100C=2×0.5×0.1

Tb=100C+0.1=100.1C

Stream:JEESubject:ChemistryTopic:Liquid SolutionSubtopic:Azeotropic Mixtures/Non-ideal solution.
2mℹ️ Source: PYQ_2021

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