Calcium Carbonate

Calcium carbonate is a chemical compound with the formula CaCO₃. It is a common substance found in rocks as the minerals calcite and aragonite and is the main component of pearls and the shells of marine organisms, snails, and eggs. It is also found in various forms in the environment, such as in the shells of marine organisms, snails, coal balls, pearls, and eggshells.

Properties of Calcium Carbonate

• Chemical formula: CaCO₃
• Molar mass: 100.0869 g/mol
• Appearance: Fine, white powder or colorless crystals
• Density: 2.71 g/cm³
• Melting point: 825 °C
• Solubility: Slightly soluble in water

Uses of Calcium Carbonate

Calcium carbonate has a wide range of applications, including:

• As a dietary supplement for calcium
• In the production of lime and cement
• In the manufacturing of paper, plastics, and paints
• In the treatment of acidic soil in agriculture
• In the production of toothpaste and antacids

Study Guide

Here are some key points to remember about calcium carbonate:

1. What is the chemical formula of calcium carbonate?
2. Where is calcium carbonate commonly found in nature?
3. What are the properties of calcium carbonate?
4. What are the uses of calcium carbonate?
5. How is calcium carbonate used in everyday products?

Understanding the properties and uses of calcium carbonate is important in various fields such as chemistry, geology, and industry.