What is Al2SO4? Important knowledge about Al2SO4.

  1. Definition of Al2SO4
    1.1 The common name for Al2SO4 is aluminium sulfate. The English name is Aluminium sulphate.
    1.2 The molar mass of Al2SO4 is 342.14 g/mol.
    1.3 The structure of Al2SO4 molecule: 2 aluminium atoms (Al), 4 sulfur atoms (S), and 12 oxygen atoms (O).
    1.4 The ion structure of Al2SO4 includes 2 aluminium ions (Al3+) and 4 sulfate ions (SO4^2-).

  2. Properties of Al2SO4
    2.1 Physical properties: Al2SO4 is colorless, odorless, solid at room temperature, and has alkaline pH.
    2.2 Chemical properties: Al2SO4 can react with water to form Al(OH)3 and H2SO4, it can also react with alkali metals to form salts and hydrogen gas.

  3. Common chemical equations
    As Al2SO4 has various chemical properties, it can participate in many different reactions, but we will only list a few as examples.

  4. Synthesis of Al2SO4
    4.1 Laboratory synthesis: Al2SO4 is commonly synthesized from aluminium and sulfuric acid, or from Al(OH)3 and H2SO4.
    4.2 Industrial synthesis: On an industrial scale, Al2SO4 is usually produced by reacting bauxite with sulfuric acid.

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