What is AlCl3? Important knowledge about AlCl3.

Definition of AlCl₃:
1.1 Names:
1.1.1 Common name: Aluminium chloride, or aluminium salt.
1.1.2 English name: Aluminium chloride.
1.2 Molar mass: 133.34 g/mol.
1.3 Atomic mass: 27.0 g/mol (Aluminium) and 35.5 g/mol (Chlorine).
1.3.1 Molecular structure: AlCl₃ is a molecule composed of 1 Al₃+ ion and 3 Cl- ions.
1.4 Ion structure: AlCl₃ forms Al₃+ and Cl- ions when dissolved in water.

Properties of AlCl₃:
2.1 Physical properties: AlCl₃ is a solid at room temperature, white in color, odorless, and has a pH of around 3-4.
2.2 Chemical properties: AlCl₃ has the ability to react with many other compounds such as metals, acids, non-metals, and salts.

Common chemical equations:
Because AlCl₃ can react with almost all types of compounds, there are many related chemical equations. For instance, it reacts with metals like Fe, Cu, Ag; with acids like H₂SO₄, HCl; with non-metals like O₂, S; and with salts like NaCl, KCl.

Preparation of AlCl₃:
4.1 Laboratory preparation: AlCl₃ can be prepared by reacting Al with Cl₂ or by reacting Al with HCl.
4.2 Industrial preparation: In industry, AlCl₃ is usually produced by reacting Al with Cl₂ at high temperatures.