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13. 60g of Urea was dissolved in 9.9 moles, of water. if the vapour pressure of pure water is

P_o, the vapour pressure of solution is

a. 0.10 P_o

b. 1.10 P_o

c. 0.90 P_o

d. 0.99 P_o

Ans. c

(9)

5/5 - (1 vote)

PrevPrevious12. The vapour pressure of benzene at a certain temperature is 640 mm of Hg. A non volatile and non electrolyte solid weighing 2.175 g is added to 39.08 g of benzene. The vapour pressure of the solutions is 600 mm of Hg. What is the molecular weight of solid substance

Next14. In an experiment, 1 gof a non -volatile solute was dissolved in 100 g of acetone at 298 K. The vapour pressure of the solution was found to be 192.5 mmHg. The molecular weight of the solute is (vapour pressure of acetone = 195 mmHg)Next

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