6 gm of urea (molecular weight = 60) was dissolved in 9.9 moles of water

Question

6 gm of urea (molecular weight = 60) was dissolved in 9.9 moles of water. If the vapour pressure of pure water is $P^{0}$ , what would be the vapour pressure of the solution?

Smart Achievers · Accepted Answer

(4)

$P_{s} = P^{0} \times 2$

Solution

Q.
6 gm of urea (molecular weight = 60) was dissolved in 9.9 moles of water. If the vapour pressure of pure water is $P^{0}$ , what would be the vapour pressure of the solution

1 0.10 $P^{0}$

2 1.1 $P^{0}$

3 0.90 $P^{0}$

4 0.99 $P^{0}$

Ans.
(4)

$P_{s} = P^{0} \times 2$

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Solution

Q. 6 gm of urea (molecular weight = 60) was dissolved in 9.9 moles of water. If the vapour pressure of pure water is P0, what would be the vapour pressure of the solution

1 0.10 P0

2 1.1 P0

3 0.90 P0

4 0.99 P0

Ans. (4) Ps=P0×2