Buffer Capacity Formula

Buffer capacity is a measure of the efficiency of a buffer in resisting changes in pH. It is the ratio of the gram equivalent to the pH change caused by the addition of strong acid/base. It increases as the molarity of the buffer salt/acid solution increases.


β = ΔB / ΔpH

β = Buffer Capacity
ΔB = Gram Equivalent
ΔpH= pH Change caused by the Addition of Strong Acid/Base

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