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 effects are observed
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
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