Buffer Capacity Calculator

Ideal-activity single-weak-acid buffer at25°C, including water contribution.

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Result

Enter your values and run the tool to see your result.

Check the units, enter your values, and run the tool. Results follow the assumptions and method below.

Approximate buffer capacitylog(10)*(total*ka*10^(-ph)/(ka+10^(-ph))^2+10^(-ph)+1e-14/10^(-ph))