1.

In aqueous solution the ionization constant for carbonic acid are K_(1) = 4.2 xx 10^(-7) and K_(2) = 4.8 xx 10^(-11) Select the correct statement for a saturated 0.034 M solution of the carbonic acid

Answer»

The concentration of `H^(+)` is double that of `CO_(3)^(2-)`
The concentration of `CO_(3)^(2-)` is 0.034 M
The concentration of `CO_(3)^(2-)` is GREATER than that of `HCO_(3)^(-)`
The concentration of `H^(+)` and `HCO_(3)^(-)` are approximately equal

Answer :D


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