0.1M Sodium Hydrogen Carbonate: Properties, Uses, and Preparation
Sodium hydrogen carbonate, also known as sodium bicarbonate, is a versatile chemical compound with a wide range of applications in various industries. In this article, we will focus on 0.1M sodium hydrogen carbonate, its properties, uses, and preparation methods.
Properties of 0.1M Sodium Hydrogen Carbonate
Physical Properties
- Molar Concentration: 0.1M (moles per liter)
- Molecular Weight: 84.007 g/mol
- Appearance: White, odorless, and crystalline powder
- Solubility: Soluble in water, slightly soluble in ethanol, and insoluble in acetone and ether
- pH: 8.3 (at 20°C)
Chemical Properties
- pKa: 6.35 (at 20°C)
- Stability: Stable under normal temperatures and pressures, but decomposes at high temperatures
- Reactivity: Reacts with acids to produce carbon dioxide gas and water
Uses of 0.1M Sodium Hydrogen Carbonate
Laboratory Applications
- Used as a pH buffer in laboratory experiments
- Employed as a reactant in chemical reactions, such as the production of carbon dioxide gas
- Utilized as a cleaning agent for laboratory equipment and surfaces
Industrial Applications
- Used in the production of baking soda, detergents, and cleaning agents
- Employed in the pharmaceutical industry as an excipient in tablets and capsules
- Utilized in the food industry as a raising agent, acidity regulator, and texture modifier
Medical Applications
- Used as an antacid to neutralize stomach acid and relieve heartburn and indigestion
- Employed as a mild abrasive in toothpaste to clean teeth and remove plaque
- Utilized as a component in some eye and ear drops
Preparation of 0.1M Sodium Hydrogen Carbonate
To prepare 0.1M sodium hydrogen carbonate, follow these steps:
Materials
- Sodium hydrogen carbonate (NaHCO3)
- Distilled water
- Volumetric flask (1000 mL)
- Balance or scale
Procedure
- Weighing: Weigh approximately 8.4 grams of sodium hydrogen carbonate using a balance or scale.
- Dissolving: Dissolve the weighed sodium hydrogen carbonate in a small amount of distilled water to create a concentrated solution.
- Dilution: Dilute the concentrated solution with distilled water to a final volume of 1000 mL in a volumetric flask.
- Mixing: Mix the solution well to ensure complete dissolution and homogeneity.
Conclusion
0.1M sodium hydrogen carbonate is a versatile chemical compound with numerous applications in laboratory, industrial, and medical settings. Its unique properties, such as its ability to react with acids and its buffering capacity, make it an essential reagent in various industries. By following the preparation method outlined above, you can easily prepare 0.1M sodium hydrogen carbonate for your specific needs.
