0.1M Sodium Carbonate: Properties, Preparation, and Uses
What is 0.1M Sodium Carbonate?
0.1M sodium carbonate, also known as sodium carbonate solution, is a solution that contains 0.1 moles of sodium carbonate (Na2CO3) per liter of solution. Sodium carbonate is a strong base and a highly soluble salt of carbonic acid. It is widely used in various industries, including pharmaceuticals, cosmetics, food, and chemical manufacturing.
Properties of 0.1M Sodium Carbonate
Physical Properties
- Appearance: 0.1M sodium carbonate solution is a clear, colorless, and odorless liquid.
- pH: The pH of 0.1M sodium carbonate solution is slightly alkaline, ranging from 10 to 12.
- Density: The density of 0.1M sodium carbonate solution is around 1.03 g/mL.
- Solubility: Sodium carbonate is highly soluble in water, with a solubility of 215.8 g/100 mL at 20°C.
Chemical Properties
- ** Reactivity**: 0.1M sodium carbonate solution is a strong base and reacts with acids to form salts and water.
- Stability: The solution is stable under normal storage conditions, but it may degrade if exposed to air, moisture, or high temperatures.
Preparation of 0.1M Sodium Carbonate Solution
To prepare 0.1M sodium carbonate solution, you can follow these steps:
Materials
- Sodium carbonate (Na2CO3)
- Distilled water
Procedure
- Weigh 10.6 grams of sodium carbonate and transfer it to a 1-liter volumetric flask.
- Add a small amount of distilled water to the flask and stir until the sodium carbonate is completely dissolved.
- Add more distilled water to the flask until the volume reaches 1 liter.
- Mix the solution well and store it in a clean, tightly closed container.
Uses of 0.1M Sodium Carbonate Solution
Laboratory Uses
- pH Adjustment: 0.1M sodium carbonate solution is used to adjust the pH of solutions in laboratory experiments.
- Buffering Agent: The solution is used as a buffering agent to maintain a stable pH in chemical reactions.
Industrial Uses
- Textile Industry: Sodium carbonate is used to soften water and remove impurities in the textile industry.
- Paper Industry: The solution is used to bleach paper and improve its printing quality.
- Pharmaceuticals: 0.1M sodium carbonate solution is used as an excipient in some pharmaceutical products.
Conclusion
In conclusion, 0.1M sodium carbonate solution is a widely used solution in various industries, including laboratory experiments, textile, paper, and pharmaceuticals. Its properties, such as high solubility and strong basicity, make it an essential reagent in many applications.
