Suppression of Ionization of Ammonium Hydroxide II
Description: A magnesium chloride solution is split between two beakers, and a solid ammonium chloride is added to one. Subsequent addition of aqueous ammonia to the beakers produces a precipitate of magnesium hydroxide in only one beaker.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Common Ion Effect, Magnesium Chloride, Ammonium Chloride, Precipitation, Aqueous Ammonia
Rating:
Hazard: Medium
- Acute toxicity hazard – oral
- Eye irritation
- Inhalation hazard
- Skin corrosion hazard
- Acute aquatic toxicity
Effectiveness: Average
- Mild effects are seen by audience
- Contrast between systems is noticeable
- Somewhat connected conceptually to course material
- Time to results is low
Difficulty: Medium
- Procedures with some intermediate steps to results
- Volume-dependent addition for proper results
- Prior practice recommended
- Some sequential manipulations
Safety Precautions:
- Eye protection required
- Gloves are required
- Absorbent materials on hand
- Perform in a well-ventilated area
- Avoid exposures to mists or vapors
- Prevent release of reagents to the environment
Class: Aqueous Equilibrium and Precipitation Reactions
Division: General
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