Na2SO4

Na₂SO₄ is the chemical formula for sodium sulfate, a sodium salt of sulfuric acid. It is an inorganic compound that is typically encountered as a white crystalline solid or in a powdered form. Here are some key points about sodium sulfate:

Properties:

• Molecular Weight: Approximately 142.04 g/mol
• Solubility: Soluble in water; it has a moderate solubility at room temperature.
• Appearance: Usually found in a white crystalline form.
• Melting Point: It has a melting point of about 884 °C (1623.2 °F).

Uses:

1. Industrial Applications: Sodium sulfate is commonly used in detergents, glass manufacturing, and as a filler in some commercial products.
2. Laboratory Use: It is often used as a drying agent in organic synthesis.
3. Food Industry: Sometimes used as a food additive (E514) for its properties as a thickener or anti-caking agent.

Environmental Impact:

• Generally considered to be low in toxicity and does not pose significant environmental hazards when used appropriately.

Chemical Reactions:

• Sodium sulfate can be produced from the reaction of sulfuric acid with sodium carbonate or sodium bicarbonate.
• It can participate in various ionic reactions and is involved in sulfate formation in natural and industrial processes.

Make sure to understand its properties and reactions as they may be relevant for your exam! If you have specific questions about this compound, feel free to ask.