Which equilibrium system has HCO3- acting as a Brønsted-Lowry base?
e entire chemical system of the carbonate ion is as follows
CO3 (2-) HCO3 (-) H2CO3
by adding amounts of base or acid to a solution containing either the carbonate or bicarbonate ion will shift chemical equilibrium, [ more towards the formation of carbonate with base and more towards carbonic acid with the acid.
carbonic acid however is incredibly unstable and quickly decomposes to form water and carbon dioxide
H2CO3 - - > H2O + CO2
By the addition of acid to a carbonate system the equilibrium is driven to the right and carbonic acid is formed. Due to its instability it then
decomposes. This is why the baking soda and vinegar reaction forms copious amounts of bubbles.
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selymi|Points 8872|
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Asked 9/21/2012 12:48:06 PM
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