Problem: Consider the reaction HC2H3O2(aq) + H2O(l) → H3O+(aq) + C2H3O2–(aq). Which species is the conjugate acid?a) C2H3O2b) H3O+(aq)c) H2O(l)d) HC2H3O2(aq)e) two of these

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 HC2H3O2(aq) + H2O(l) → H3O+(aq) + C2H3O2–(aq)

Recall that :

  • the conjugate acid of a base is simply the compound formed when a base gains a hydronium ion (H+). It's considered as an acid because it can lose H+ to reform the base.
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Problem Details

Consider the reaction HC2H3O2(aq) + H2O(l) → H3O+(aq) + C2H3O2–(aq). Which species is the conjugate acid?

a) C2H3O2

b) H3O+(aq)

c) H2O(l)

d) HC2H3O2(aq)

e) two of these

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