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Topic: Acid/Base Chemistry  (Read 3850 times)

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flagpolesitta43

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Acid/Base Chemistry
« on: March 09, 2006, 12:56:02 AM »
Find [H+] in .25M NaC2H3O2 (aq) at 25 C given that Ka=1.8x10^-5 for HC2H3O2(aq) at 25 C.

Is this a common ion problem? I'm really not sure how to even begin to do this calculation. Starting with the chemical reaction itself :NaC2H3O2+H20<---->??? Where is the [H+] going to come from?
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Offline Borek

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Re:Acid/Base Chemistry
« Reply #1 on: March 09, 2006, 02:46:41 AM »
Hydrolyzis, as decribed here: http://www.chembuddy.com/?left=pH-calculation&right=bronsted-lowry-theory

Acetate reacts with water producing OH- and changing pH of the solution.
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flagpolesitta43

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Re:Acid/Base Chemistry
« Reply #2 on: March 09, 2006, 02:48:54 AM »
Thank-you very much  ;D ;D ;D
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