Aqueous Equilibrium and Precipitation Reactions- Precipitation of Lead Chloride From a Saturated 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 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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