Chemistry, asked by Devanandh3579, 1 year ago

The vapour pressure of an aqueous solution of glucose is 750 mm mercury at 373 kelvin calculate molality and mole fraction

Answers

Answered by Jatin3409
5
At 373K V.P of water is 750 mm Hg

We know that, (P0-P) / P0 =  w x M / m x W

molality = (P0-P) / P0 X 1000/M 

=> (760-750) / 760 X 1000/18

=> 0.73 m

Answer>> Mole fraction = (P0-P) / P0  = 10/760 = 0.0131  
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