Answer to Question #148446 in General Chemistry for Alberto

Question

Which of the following is the ratio of [ NaCH3COO] / [CH3COOH] to make a buffer solution at pH 5?

Answer 1

Acetate Buffer (0.1 M, pH 5.0) Preparation and Recipe

1. Prepare 800 mL of distilled water in a suitable container.
2. Add 5.772 g of Sodium Acetate to the solution.
3. Add 1.778 g of Acetic Acid to the solution.
4. Adjust solution to desired pH using 10N HCl (typically pH ≈ 5.0).