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Topic: pH and air  (Read 4008 times)

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Offline Zoloft

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pH and air
« on: June 03, 2007, 10:23:13 PM »
Hello everyone, I am new here, but I am stuck on a question that I'm not entirely certain about, preferably the technicality. I've searched and searched and cannot come to a concise and succinct answer in chemical terms, therefore, why does the pH of pure water decrease on exposure to air?
 :P

Love,

Janie.

Offline enahs

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Re: pH and air
« Reply #1 on: June 03, 2007, 10:34:49 PM »
Carbonic Acid

Just search google or your favorite internet search engine and you will get all the information you want. The very first results, at google, for "carbonic acid" is a very good one, and surprise it is wiki! You just have to know what to search for.

Offline Zoloft

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Re: pH and air
« Reply #2 on: June 04, 2007, 03:58:27 PM »
I am still unable to find answer.  ???

Offline enahs

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Re: pH and air
« Reply #3 on: June 04, 2007, 04:42:32 PM »
I am still unable to find answer.  ???

First results of the search:
http://en.wikipedia.org/wiki/Carbonic_acid

It says
"Carbon dioxide dissolved in water is in equilibrium with carbonic acid:

        CO2 + H2O ⇌ H2CO3"



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