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On addition of non-volatile potassium iodide in water at 298K it is noticed that vapor pressure reduces from 23.8 mm Hg to 2.0 cm Hg. What is the mole fraction of solute in the solution?

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MCQs on solutions types and concentration, solubility solutions, liquid solutions vapour pressure, ideal and non ideal solutions, abnormal molar masses, colligative properties and molar mass determination.
 


On addition of non-volatile potassium iodide in water at 298K it is noticed that vapor pressure reduces from 23.8 mm Hg to 2.0 cm Hg. What is the mole fraction of solute in the solution?






 
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