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At an average pH of 8.1, which of the following aqueous compounds would dominate? H2CO3 CO2...

At an average pH of 8.1, which of the following aqueous compounds would dominate?

H2CO3

CO2

CO3(2-)

HCO3(-)

If the pKa of a reaction is 5.2, what is the Ka of that reaction?

5.2/ pH

1*10^-5.2

pH/5.2

5.3*10^-1

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