Published by:
CGP EDU Academic Team
Published on: August 23, 2026
' W ' g of a non-volatile electrolyte solid solute of molar mass ' M ' 
when dissolved in 100 mL water, decreases vapour pressure of water from 640 mm Hg to 600 mm Hg . If aqueous solution of the electrolyte boils at 375 K and 
for water is 
, then the mole fraction of the electrolyte solute ( 
) in the solution can be expressed as
(Given : density of water 
and boiling point of water 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
1. 
moles of solute 
Again :
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