Question

For which of the following equilibria does Kccorrespond to the acid-ionization constant, Ka,of HCO3-?
A) HCO3-(aq) + OH-(aq) CO32-(aq) + H2O(l)
B) H2CO3(aq) + H2O(l) HCO3-(aq) + H3O+(aq)
C) HCO3-(aq) + H2O(l) H2CO3(aq) + OH-(aq)
D) HCO3-(aq) + H3O+(aq) H2CO3(aq) + H2O(l)
E) HCO3-(aq) + H2O(l) CO32-(aq) + H3O+(aq)

Answer

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