What you provide
What you provide
- Target pH, using the same scenario as the other inputs
- Acid pKa, using the same scenario as the other inputs
CHEMISTRY / ACID-BASE CHEMISTRY
Buffer Ratio Calculator
Calculate the conjugate-base to weak-acid ratio required by Henderson-Hasselbalch. Inspect the chemical relationship, substituted values, result, assumptions, and unit convention in one guided workspace.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Calculate the conjugate-base to weak-acid ratio required by Henderson-Hasselbalch. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
Calculation path
[A-]/[HA] = 10^(pH-pKa)
What you receive
What you receive
- Required [A-]/[HA] ratio from the stated equation
- A symbolic formula plus substituted working with your values
- Visible assumptions, field guidance, and an authoritative learning reference
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
Activities are approximated by concentrations and capacity depends on total buffer concentration.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors