Question

What is buffering capacity? How is buffering capacity measured?

Answer 1

Buffering capacity is the measure of the efficiency of a buffer in resisting changing in pH.

It is measured by the formulae:-

Buffer capacity =

number of moles of OH or H3O^+ added/(pH Change)(volume of buffer in Litre)

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Answer 2

Explanation:

Buffer capacity (β) is defined as the moles of an acid or base necessary to change the pH of a solution by 1, divided by the pH change and the volume of buffer in liters.

it is a unitless number.

A buffer resists changes in pH due to the addition of an acid or base though consumption of the buffer.