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18 g glucose (C(6)H(12)O(6)) is added to...

18 g glucose `(C_(6)H_(12)O_(6))` is added to 178.2 g water. The vapour pressure of water (in torr) for this aqueous solution is :

A

759.00 Torr

B

7.60 Torr

C

76.00 Torr

D

750.40 Torr

Text Solution

Verified by Experts

`(P_(@)-P_(S))/(P_(S))=n/Nimplies(760-P_(S))/(P_(S))=(18/180)/(178.2/18)=(1/10)/9.9`
`760-P_(s)=1/99P_(S)=o>760xx99-P_(s)xx99=P_(S)`
`760xx9=100 P_(S)impliesP_(S)=(760xx99)/100=752.4`
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