Question & Answer: In the following reaction, HCO_3^- (aq) + H_2O(l) rightleftharpoons CO_3^2- (aq) +…..

In the following reaction, HCO_3^- (aq) + H_2O(l) rightleftharpoons CO_3^2- (aq) + H_3O^+ (aq) H_3O^+ is an acid and HCO_3^- is its conjugate base. HCO_3^- is an acid and CO_3^2- is its conjugate base. HCO_3^- is an acid and H_2O is its conjugate base. H_2O is an acid and CO_3^2- is its conjugate base. H_3O^+ is an acid and CO_3^2- is its conjugate base.

Expert Answer

The reaction is:

HCO3(aq) + H2O(l) rightleftharpoons CO32-(aq) + H3O+(aq)

In this reaction HCO3 releases H+ ion and changes to CO32-

Hence, HCO3 is an acid and CO32- is its conjugate base.

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