Question

define buffer capacity .....?​

Answer 1

$\huge{\underline{\underline{\mathbf{Answer: -}}}}$

★ Buffer Capacity-

It is defined as the number of moles of an acid Or a base required to be added to one litre pf the buffer solution so as to change it's ph by one unit, thus

$buffer \: capacity = \frac{dn}{d \: ph}$

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Answer 2

No of moles of acid or base to change the pH of solution by 1 is known as buffer capacity...