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The relative lowering of vapour pressure of a sugar solution in water is 3.5 x 10-3 . The mole fraction of water in that solution is ……

(a) 0.0035 

(b) 0.35 

(c) 0.0035/18 

(d) 0.9965

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(d) 0.9965

\(x_{H_2O}\) = 1 - 0.0035 = 0.9965

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