pH of a Buffer (Henderson Equation) Calculator
Ka = Acid Dissociation Constant ; [CB] = Concentration of the Conjugate Base ;
[CA] = Concentration of the Conjugate Acid; [H+] = Hydrogen Ion Concentration
pH = -log[H+] ; pKa = -logKa
This calculator is valid for a buffer of a weak acid and it's conjugate base of the same system. For example if a system contains both CH3COOH and CH3COONa then the pH of this buffer can be calculated. Note that here [CH3COOH] = [CA] and [CH3COONa] = [CB]. This equation is also known as Henderson-Hasselbalch equation.