Acidic and Basic Properties of Salts
Description: The pH of salt solutions is estimated using universal indicator. A pH meter can also be used.
Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry
Year: 1989 Vol: 3 Page: 103
Keywords: Hydrolysis, Salts, Acidic, Basic, Overhead projector
Rating: 
Hazard: Medium
- Acute toxicity hazard – oral
- Aquatic toxicity hazard
- Inhalation hazard
- Electric shock hazard
- Oxidizing solids
- Skin corrosion hazard
- Corrosive to metals
- Serious eye damage
- Germ cell mutagenicity hazard
- Reproductive toxicity hazard
Effectiveness: Average
- Results are observable with guidance
- Secondary effects are seen by audience
- Secondary observations are made
- Good connection from demo to course material
- Time to results is high
- Mild effects are seen by audience
Difficulty: High
- Potential for cross-contamination
- Potential for probe damage
- Complex lab equipment manipulations
- Repetitive equipment manipulations
- Experiment in which data recording and display are necessary
- Multi-step procedures
Safety Precautions:
- UL approved three-prong plug and outlet required
- Eye protection required
- Gloves required
- Absorbent material on hand
- Sodium bicarbonate on hand
- Prevent release of reagents to the environment
Class: Acids and Bases, Properties of Ionic Salts, Indicators
Division: General
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