It is not possible to provide an exact number of all the acids in the world as there are countless compounds that can exhibit acidic properties. Acids are substances that can donate protons (H+) in a chemical reaction, leading to an increase in the concentration of H+ ions in a solution. They can be classified into various categories such as inorganic acids, organic acids, mineral acids, carboxylic acids, etc.
Some commonly known acids include:
- Hydrochloric acid (HCl)
- Sulfuric acid (H2SO4)
- Nitric acid (HNO3)
- Acetic acid (CH3COOH)
- Citric acid (C6H8O7)
- Phosphoric acid (H3PO4)
- Carbonic acid (H2CO3)
- Hydrofluoric acid (HF)
- Formic acid (HCOOH)
- Lactic acid (C3H6O3)
These are just a few examples, and there are many more acids known to science. The naming and classification of acids are based on their chemical composition and properties.