Effect of Acetate Ion on the Acidity of Acetic Acid
Description: Acetic acid and an acetic acid-acetate buffer are added to different samples of calcium carbonate. Foam appears at different rates.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1989 Vol: 3 Page: 155
Keywords: Common Ion Effect, Acetic Acid, Sodium Acetate, Carbonates, Acids and Bases
Rating: 
Hazard: Some
- Mild toxicity hazard
- Acute toxicity hazard
- Skin corrosion hazard
- Serious eye damage
- Corrosive to metals
Effectiveness: Good
- Good connection from demo to course material
- Clear contrast between behavior of systems
- High reliability
- Time to results is low
Difficulty: Medium
- Some concerted or timed manipulations
- Procedures with some intermediate steps to result
Safety Precautions:
- Eye protection required
- Gloves required
- Absorbent materials on hand
- Perform in a well-ventilated area
- Avoid exposure to mists or vapors
Class: Acid-Base Reactions, Buffers
Division: General, Analytical Chemistry
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