Frequently Asked Questions
When does buffer pH equal the pKa?
The pH equals the pKa when the conjugate base and weak acid concentrations are equal, because the logarithm of one is zero. This is also the point of maximum buffering capacity.
Do the concentration units matter?
No. Only the ratio of conjugate base to weak acid enters the equation, so you can use any consistent units as long as both concentrations are measured the same way.
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This calculator provides estimates for informational purposes only. Results are based on assumptions and may not reflect actual outcomes. Consult qualified professionals in relevant fields before making important decisions based on these results.