Cranberries naturally contain benzoic acid (C7H6O2). The chemical equation for the addition of benzoic acid to water is shown. C7H6O2 + H2O <----> C7H5O2- + H3O+. What is the conjugate base?
a. C7H6O2
b. H2O
c. C7H5O2-
d. H3O+

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