Question

The dissociation constant of a weak acid is 1 × 10⁻⁴. In order to prepare a buffer solution with a pH = 5 the [Salt]/[Acid] ratio should be
(a) 1 : 10
(b) 4 : 5
(c) 10 : 1
(d) 5 : 4

Answer 1

answer is

c) 10 : 1

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