1.

A Current of dry air was first passed through the bulb containing solution of 'A' in water and then through the bulb containing pure water. The loss in mass of a solution bulb is 1.92g gm. Where as that in pure water bulb is 0.08g, then mole fraction of 'A' is.

Answer»

0.86
0.2
0.96
0.04

Answer :D


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