Question

What is pH of carbonate acid

Answer 1

Acidity of carbonic acid. ... Thus, there are two dissociation constants, first of which is for the dissociation into the bicarbonate (also called hydrogen carbonate) ion HCO3−: Ka1 = 2.5×10−4; pKa1 = 3.6 at 25 °C
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Answer 2

I think it is carbonic acid.

CO2(AQ)+H20(L)=====>H2CO3

pH of carbonic acid is 4.68,it is a weak acid