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

`18`g of glucose `(C_(6)H_(12)O_(6))`is added to `178.2` g of water. The vapour pressure of water for this aqueous solution at `100^@C`is :

A

`752.40`torr

B

`759.00`torr

C

`7.60`torr

D

`76.00`torr

Text Solution

Verified by Experts

The correct Answer is:
A
`(P^(@)+P_(s))/(P_(S))=(wxxM)/(mxxW)`
at.b.pt.`P^(@)=760mm`
`(760-P_(s))/(P_(s))=(18xx18)/(180xx178.2)`
`P_(s)=752.40` torr
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