February 25, 2017

Homework Help: chemistry

Posted by regina on Sunday, December 5, 2010 at 5:04pm.

How many grams of Urea would you have to dissolve in 500ml of H2O in order for the mass percent of H2O to be 88.8%? What is the mole fraction of Urea? What are the new boiling and freezing points?

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