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Topic: Colligative Problem  (Read 3336 times)

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GGHH

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Colligative Problem
« on: May 24, 2006, 07:22:46 PM »
I need help with this question

How many grams of water need to be added to 95 grams of glucose to lower the freezing point to -10 celcius ?

I would appreciate any help
Thanks

Offline Dan

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Re: Colligative Problem
« Reply #1 on: May 24, 2006, 07:45:20 PM »
have you been given the enthalpy of fusion?
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GGHH

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Re: Colligative Problem
« Reply #2 on: May 24, 2006, 08:20:41 PM »
No

I am working with molality and molarity boiling and freezing point
and
Kb=.512 C/m
Kf=1.86 C/m

Offline Borek

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Re: Colligative Problem
« Reply #3 on: May 25, 2006, 03:20:42 AM »
Try to do the question "How much glucose have to be added to 1kg of water to lower the freezing point by 10 deg C" first.
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