Carbonates
Carbonates
Carbonates (/kɑːrˈboʊneɪts/) are salts of carbonic acid (H2CO3), characterized by the presence of the carbonate ion, a polyatomic ion with the formula of CO32−.
Etymology
The term "carbonate" is derived from "carbon", which comes from the Latin word carbo, meaning "charcoal". The suffix "-ate" is from the Latin -atus, indicating a state or condition, often used in the formation of compound words.
Properties
Carbonates are often insoluble in water, but are readily soluble in acid due to the formation of bicarbonate (HCO3−) and H2CO3, the latter of which decomposes into water and carbon dioxide.
Examples
Common examples of carbonates include calcium carbonate (CaCO3), sodium carbonate (Na2CO3), and potassium carbonate (K2CO3).
Uses
Carbonates are used in a variety of applications, including as a buffering agent in pharmaceuticals, in the manufacture of glass and ceramics, and in the treatment of water.
Related Terms
External links
- Medical encyclopedia article on Carbonates
- Wikipedia's article - Carbonates
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