Homework Help: chemistry

Posted by Evelyn on Wednesday, January 19, 2011 at 11:25pm.

What is the boiling point of a solution composed of 15.0g urea, (NH2)2CO, in .500kg of water?

chemistry - DrBob222, Wednesday, January 19, 2011 at 11:30pm
moles = grams/molar mass
Sole for moles.

molality = moles/kg solvent.
Solve for molality

delta T = Kb*m
solve for delta T, then add to 100 to find the b.p.
chemistry - Anonymous, Friday, March 29, 2013 at 12:36pm
50

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