Buffer pH Calculator – Henderson-Hasselbalch Tool & Buffer Insights

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



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