25° C. It forms an ideal solution with ‘B’ in which mole fraction of A is 0.8. if the vapour pressure of the solution is 84 mm of Hg at 25° C , the vapour pressure of pure ‘B’ at 25° C is
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dm-3 sucrose solution at 20 ° C (molar gas constant, R = 8.314 JK -1 mol -1 ; 1 dm-3 = 0.001 m3 ) a. 4870 Pa b. 4.87 Pa c. 0.00487 Pa d. 0.33 Pa Ans. a (17)
