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How does the pH of acid change when a carbonate is added?

1 Answer

Dec 26, 2016

Carbonates will (partly) neutralize the acid, so #pH# goes up.

Explanation:

This is due to the reaction:

#2H_3O^+(aq) +CO_3^(2-)(aq) ->3H_2O(l)+CO_2(g)#

or: #2H^+(aq) +CO_3^(2-)(aq) ->H_2O(l)+CO_2(g)#

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