JEE Main Chemistry question
For preparing a buffer solution of pH 6 by mixing sodium acetate and acetic acid, the ratio of concentration of salt and acid (Ka=10⁻⁵) should be:
Answer: (B)
Solution
6=5+log(ratio) → ratio=10.
For preparing a buffer solution of pH 6 by mixing sodium acetate and acetic acid, the ratio of concentration of salt and acid (Ka=10⁻⁵) should be:
6=5+log(ratio) → ratio=10.