carbonate
CO₃²⁻
Carbonate is a term used in chemistry to refer to a compound that contains the carbonate ion (CO3 2-). Carbonates are commonly found in minerals such as limestone, dolomite, and marble, and are also present in many biological systems. In aqueous solutions, carbonates are slightly basic, meaning they can neutralize acids.
Carbonates are used in a variety of applications. For example, calcium carbonate is used as a dietary supplement and as an antacid to treat heartburn and acid indigestion. Sodium carbonate (also known as washing soda) is used in soaps, detergents, and other cleaning products. Additionally, carbonates are important components in many construction materials, such as concrete and mortar.
Carbonate compounds can also play an important role in environmental processes. For example, the dissolution of carbonate rocks can have a significant impact on the carbon cycle and the chemistry of natural waters. Additionally, the use of carbonates (such as calcium carbonate) can help to reduce the acidity of soils, improving plant growth and providing other environmental benefits.
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