Chemistry — Buffers

\text{pH} = \text{p}K_a + \log\frac{[\text{A}^-]}{[\text{HA}]}

\text{pOH} = \text{p}K_b + \log\frac{[\text{BH}^+]}{[\text{B}]}

K_a = \frac{[\text{H}^+][\text{A}^-]}{[\text{HA}]}

\text{buffer range} = \text{p}K_a \pm 1