Enter the total amount of acid or base, the initial pH, and the final pH into the calculator to determine the buffer capacity.

## Buffer Capacity Formula

The following equation can be used to calculate the buffer capacity of a base of acid reaction.

B = n / (pH2-pH1)

- Where B is the buffer capacity
- n is the amount of acid/base (moles/liter)
- pH2 is the final pH
- pH1 is the initial pH

## FAQ

**What is a buffer capacity?**

A buffer capacity is a solutions ability to resist a change in pH. The higher the buffer capacity, the harder it is to change a solutions acidity.

**How is a buffer capacity calculated?**

A buffer capacity if calculated using the total amount of a substance, and analyzing the change in pH over time of the solution.

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