Balloon Races – Ionization of Hydrochloric Acid and Acetic Acid
Common Ion Effect with Lead Iodide
Effect of Ionic Strength on Ion Dissociation
Precipitating Silver with Chromate and Chloride Ions
Precipitating Sodium Chloride from its Solution
Precipitation of Lead Chloride from a Saturated Solution
Description: A clear liquid is decanted from a flask containing saturated lead chloride. When concentrated HCl is added to the solution, a white precipitate appears.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Solubility product, Hydrochloric Acid, Chloride ion, Common ion effect
Rating: 
Hazard: High
- Acute toxicity hazard – oral, inhalation
- Inhalation hazard
- Skin corrosion hazard
- Reproductive toxicity hazard
- Carcinogenicity hazard
- Corrosive to metals
- Serious eye damage
- Aquatic toxicity hazard
- Specific organ toxicity – central nervous system, blood, kidneys
Effectiveness: Good
- Results are clearly observable without guidance
- Good connection from demo to course material
- High reliability
- Time to results is low
- Primary effect
Difficulty: Medium
- Use of reactive substances
- Simple procedures
- Simple manipulations for most to perform
Safety Precautions:
- Eye protection required
- Gloves required
- Perform in a well-ventilated area
- Absorbent materials on hand
- Sodium bicarbonate on hand
- Avoid exposure to droplets, mists, or vapors
- Prevent release of reagents to the environment
Class: Aqueous Equilibrium and Precipitation Reactions, Common Ion Effect, Dissociation and Solubility
Division: General, Analytical Chemistry
Return to Analytical Chemistry Demonstrations