Henderson-Hasselbalch Equation Practice Problems

The pH in our stomach is regulated by a bicarbonate buffer system. The constituents of the buffer system are H₂CO₃ and HCO₃^–. If carbonic acid (H₂CO₃) has a pK_a of 6.37, provide the Henderson-Hasselbalch equation for this bicarbonate buffer.

A buffer solution was prepared by mixing 0.25 M hypochlorous acid (HClO) and 0.30 M potassium hypochlorite (KClO). The pK_a of HClO is 7.52 and the pH of the resulting solution is 7.60. Provide the Henderson-Hasselbalch equation for the buffer.