0.1 M Sodium Hydroxide (NaOH): Properties, Uses, and Precautions
What is 0.1 M Sodium Hydroxide?
Sodium hydroxide, also known as caustic soda, is a strong base with the chemical formula NaOH. A 0.1 M (molar) solution of sodium hydroxide is a solution that contains 0.1 moles of NaOH per liter of solution. In other words, it is a solution that contains 4 grams of NaOH per liter of water.
Properties of 0.1 M Sodium Hydroxide
Physical Properties
- Color: Colorless
- Odor: Odorless
- Melting Point: 318°C (604°F)
- Boiling Point: 1388°C (2530°F)
- Solubility: Highly soluble in water
Chemical Properties
- pH: Highly alkaline (pH > 12)
- Reactivity: Reacts violently with acids and organic compounds
- Stability: Stable under normal storage conditions
Uses of 0.1 M Sodium Hydroxide
- Laboratory Applications: Used as a strong base in various laboratory applications, such as titrations and pH adjustments.
- Cleaning and Disinfecting: Used as a cleaning agent and disinfectant due to its ability to dissolve grease and fats.
- Manufacturing: Used in the manufacturing of paper, textiles, and detergents.
- Wastewater Treatment: Used to neutralize acidic wastewater and remove impurities.
Precautions when Handling 0.1 M Sodium Hydroxide
Personal Protective Equipment (PPE)
- Wear protective gloves: To prevent skin contact and irritation.
- Wear safety goggles: To prevent eye splash and irritation.
- Wear a lab coat: To prevent skin contact and clothing damage.
Handling and Storage
- Handle with care: Avoid splashing or spilling the solution.
- Store in a well-ventilated area: Away from incompatible substances and heat sources.
- Keep away from children and pets: Due to its toxicity and corrosive properties.
Conclusion
0.1 M sodium hydroxide is a strong base with various uses in laboratory applications, cleaning, manufacturing, and wastewater treatment. However, it requires special handling and storage precautions due to its toxicity and corrosive properties. By following the necessary safety protocols and guidelines, users can minimize the risks associated with handling this chemical solution.
