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07-12-2022
Chemistry

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Which of the following carbonate species would be present in significant concentrations in a solution of carbonic acid at pH 9.75?
For carbonic acid: pKa1 = 6.46, pKa2 = 10.16
Group of answer choices

HCO3-

H2CO3 and HCO3-

CO32-

H2CO3

HCO3- and CO32-

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