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Ricky_rock (0)

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The pressure of the water vapour of a solution containing a nonvolatile solute is 2%below that of the pure water.Determine the molality of the solution
    
krishna.gopal (2149)

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It mole fraction is 0.02
So each mole solute has 49 mole water = 49*18 g
So molality = 1000/(49*18)

Krishna Gopal Singh
B.Tech Chemical Engg
IIT Delhi 2002
Currently doing PhD from IIT Delhi
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