Use our free Buffer pH Calculator to quickly determine the pH of any buffer solution. Simply input the pKa value of the weak acid, along with the concentrations of the weak acid and its conjugate base. Ideal for chemistry students, researchers, and professionals needing accurate buffer calculations based on the Henderson-Hasselbalch equation.
Formula:
The Buffer pH Calculator utilizes the Henderson-Hasselbalch equation:
pH = pKa + log ([A⁻] / [HA])
- pH: The measure of hydrogen ion concentration.
- pKa: The negative logarithm of the acid dissociation constant (Ka) for the weak acid.
- [A⁻]: The molar concentration of the conjugate base.
- [HA]: The molar concentration of the weak acid.