Which one of following pairs is a conjugate acid-base pair

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Reference no: EM13176572

Which one of the following pairs is a conjugate acid-base pair?

A. H2O, O-

B. H3O+, OH-

C. H2CO3, CO32-

D. H2CO3, HCO3-

E. None of the above

Reference no: EM13176572

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