Select the acid-base pair that could be used to buffer a solution at each of the following pH's. Acid-
(a) pH = 3.5, HOCl/OCl −HF/F − HCO₃ −/CO₃₂-HNO₂/NO₂ −
(b) pH = 8.0, HOCl/OCl −HF/F − HCO₃ −/CO₃₂-HNO₂/NO₂ −
(c) pH = 10.6, HOCl/OCl −HF/F − HCO₃ −/CO₃₂-HNO₂/NO₂ −

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