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27. Vapour pressure of a solution of 5g of non – electrolyte in 100 g of water at a particular temperature is

2985 N / m2 . The vapour pressure of pure water is 3000 N/ m2 . The molecular weight of the solute is

a. 60

b. 120

c. 180

d. 380

Ans. c

(13)

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