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In aqueous solution the ionizatin consta...

In aqueous solution the ionizatin constants for carbonic acid are :
`K_1=4.2xx10^(-7) and K_2=4.8xx10^(-11)`
Select the correct statement for a saturated 0.034 M solution of the carbonic acid.

A

The concentration of `CO_3^(2-)` is 0.034 M

B

The concentration of `CO_3^(2-)` is greater than that of `HCO_3^-`

C

The concentration of `H^+` and `HCO_3^-` are approximately equal

D

The concentration of `H^+` is double that of `CO_3^(2-)`

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The correct Answer is:
c
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