Calcium Carbonate

Calcium carbonate is a chemical compound with the formula CaCO₃. It is a common substance found in rocks, shells of marine organisms, pearls, and eggshells. Calcium carbonate is the main component of limestone, and it is also found in marble, chalk, and calcite.

Properties of Calcium Carbonate

• Chemical Formula: CaCO₃
• Molar Mass: 100.09 g/mol
• Appearance: White, odorless powder
• Solubility: Slightly soluble in water
• Acid Reaction: Reacts with acids to produce carbon dioxide gas
• Uses: Widely used in the production of lime, cement, and as a dietary supplement for calcium

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. How does calcium carbonate react with acids?
5. What are the uses of calcium carbonate?

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