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The buffer capacity is equal to __________

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The buffer capacity is equal to __________

(a) Δn / ΔpH

(b) pH / Δn

(c) ± 1pKa

(d) ± 2pKa

The question was posed to me during an online exam.

My doubt stems from Buffering against pH changes in Biological Systems topic in portion Water Basics of Biochemistry

1 Answer

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Correct answer is (a) Δn / ΔpH

Easiest explanation: Buffer capacity = number of moles of acid or base added to 1 liter of buffer/change in pH.

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