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Vapour pressure of `C CL_(4)` at `25^@C` is `143` mmHg 0.05g of a non-volatile solute (mol.wt.=`65`)is dissolved in `100ml C CL_(4)`. find the vapour pressure of the solution (density of `C CL_(4)=158g//cm^2`)
A. `143.99`mm
B. `94.39`mm
C. `199.34`mm
D. `14.197`mm

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Correct Answer - D
`(P^(@)-P_(S))/(P^(@))=(wxxM)/(mW)`
`=143-1.03=141.97`mm.

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