Henderson-Hasselbalch Calculator
Henderson-Hasselbalch Equation
The equation relates pH, pKa, and the concentrations of an acid and its conjugate base:
pH = pKa + log10([A⁻]/[HA])
Where:
pH = -log10[H⁺]
pKa = -log10(Ka)
[HA] = Concentration of weak acid
[A⁻] = Concentration of conjugate base