MCQ
For preparing a buffer solution of $pH \,5$ by mixing sodium acetate and acetic acid, the ratio of the concentration of salt and acid should be $(K_a = 10^{-5})$ :-
- A$1 : 10$
- ✓$1 : 1$
- C$10 : 1$
- D$1 : 100$
✓
Answer
Correct option: B.
$1 : 1$
b
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