0.1 M Sodium Hydroxide Volumetric Solution
Definition
A 0.1 M sodium hydroxide volumetric solution is a solution of sodium hydroxide (NaOH) in water that has a concentration of 0.1 moles per liter (M). This solution is commonly used as a strong base in various laboratory applications, including titration reactions.
Preparation
To prepare a 0.1 M sodium hydroxide volumetric solution, you will need the following materials:
- Sodium hydroxide pellets (NaOH)
- Distilled water
- Volumetric flask (1 liter)
- Balance
- Pipette
Instructions
- Weigh: Weigh accurately 4 grams of sodium hydroxide pellets using a balance.
- Dissolve: Dissolve the sodium hydroxide pellets in approximately 500 mL of distilled water in a beaker.
- Transfer: Transfer the solution to a 1-liter volumetric flask.
- Dilute: Dilute the solution to the mark with distilled water.
- Mix: Mix the solution thoroughly to ensure complete dissolution of the sodium hydroxide.
Properties
- Concentration: 0.1 M (moles per liter)
- pH: Highly alkaline, approximately 12-13
- Color: Colorless
- Odor: Odorless
Uses
A 0.1 M sodium hydroxide volumetric solution is commonly used in various laboratory applications, including:
- Titration reactions: To determine the concentration of acids or other bases.
- pH buffering: To maintain a stable pH in chemical reactions.
- Cleaning: To clean and neutralize acidic surfaces.
Safety Precautions
- Handle with care: Sodium hydroxide is a strong base and can cause skin and eye irritation.
- Wear protective equipment: Gloves, goggles, and lab coat should be worn when handling the solution.
- Neutralize spills: Spills should be neutralized with acidified water or weak acid.
Conclusion
A 0.1 M sodium hydroxide volumetric solution is a versatile and essential reagent in many laboratory applications. When prepared and handled properly, it can provide accurate and reliable results in various chemical reactions.
