Class/Course - Medical Entrance

Subject - Chemistry

Chapter - Solutions


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Q.1 The vapour pressure of a solvent decreased by 10mm in two columns of mercury when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2 . What should be the mole fraction of the solvent if the decrease in the vapour pressure is to be 20mm of mercury
  0.8
  0.6
  0.4
  0.2