March 30, 2017

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The vapor pressure of chloroform is 173.11 mm Hg at 25 degrees celsius. A nonvolatile, nonelectrolyte that dissolves in chloroform is aspirin. Calculate the vapor pressure of the solution at 25 degrees celsius when 6.243g of aspirin (180.1g/mol) are dissolved in 244.5g of chloroform.


I do not know how to start this. Thank you for your help!

  • Chemistry - ,

    Convert g to moles for both solute and solvent.
    Convert moles solvent to mole fraction solvent, Xchlor
    Then Pchlor = Xchlo*PoCHCl3

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