Select the acid-base pair that could be used to buffer a solution at each of the following pH's. Acid-Base Table (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 −