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Topic: Lower Freezing Point  (Read 3456 times)

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Offline ifuller

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Lower Freezing Point
« on: March 01, 2007, 06:09:06 PM »
Hello,
I am trying to calculate the new freezing point when acid is added to it. Does anyone know of a formula that could calculate this? Thank you.
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Offline Borek

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Re: Lower Freezing Point
« Reply #1 on: March 01, 2007, 06:20:36 PM »
Google freezing point depression. Then think about acid dissociation.
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Offline ifuller

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Re: Lower Freezing Point
« Reply #2 on: March 01, 2007, 07:06:29 PM »
Thank you for the response. I have googled it but am having trouble with the specific acid I am using, Citric Acid (C6H8O7). I do not know how this would disassociate within water.
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Offline Borek

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Re: Lower Freezing Point
« Reply #3 on: March 02, 2007, 03:01:46 AM »
Weak threeprotic acid. You have to find Ka values in tables and calculate pH.

http://www.chembuddy.com/?left=pH-calculation&right=toc
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