1.

60 gm of Urea (Mol. wt 60) was dissolved in 9.9 moles, of water. If the vapour pressure of pure water is \[{{P}_{o}}\], the vapour pressure of solution is                      [DCE 2000]

A.                 0.10 \[{{P}_{o}}\]               
B.                 1.10 \[{{P}_{o}}\]
C.                 0.90 \[{{P}_{o}}\]               
D.                 0.99 \[{{P}_{o}}\]
Answer» D.                 0.99 \[{{P}_{o}}\]


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