Tuesday, September 13, 2011

How does the pH of sodium hydrogen carbonate solution change when exposed to carbon dioxide?

I've heard that dissolving 0.429g solid sodium hydrogen carbonate in 500ml water can be used to test for carbon dioxide levels in the air, as the pH of the solution changes when exposed to CO2. Is this true, and if so, how? Any help much appreciated.How does the pH of sodium hydrogen carbonate solution change when exposed to carbon dioxide?
the pH will lower but there will be no titration just an increase in H3O+ ions and subsequently lower

pHHow does the pH of sodium hydrogen carbonate solution change when exposed to carbon dioxide?
titration occurs I wish I could go further into detail but my chem class is terribly hard

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