What is Al2SO3? Important knowledge about Al2SO3.

1. Definition of Al₂SO₃
   1.1 Names
   1.1.1 Common name: This compound is commonly known as Aluminum Sulfate.
   1.1.2 English name: It is called Aluminum Sulfate in English.
   1.2. Atomic mass: The atomic mass of Al₂SO₃ is 342.15 g/mol.
   1.3. Molecular weight
   1.3.1 Molecular composition: Al₂SO₃ consists of two aluminum atoms (Al), three sulfur atoms (S), and twelve oxygen atoms (O).
   1.4 Ion structure: Al₂SO₃ is formed from aluminum ion Al₃+ and sulfate ion SO₄ 2-.

2. Properties of Al₂SO₃
   2.1 Physical properties of Al₂SO₃
   State: Al₂SO₃ is typically solid.
   Color: It is white.
   Odor: Al₂SO₃ has no smell.
   pH: It has a high acid level.
   2.2 Chemical properties of Al₂SO₃: Al₂SO₃ reacts with water to form Al(OH)₃ and H₂SO₄. It can also react with bases to form salts and water.

3. Common chemical reactions of Al₂SO₃
   Metal Reaction [if any]: Al₂SO₃ + 3Cu -> 2Al + 3CuSO₄
   Acid Reaction [if any]: Al₂SO₃ + 6HCl -> 2AlCl₃ + 3H₂SO₄
   Non-metal Reaction [if any]: Al₂SO₃ + 6H₂O -> 2Al(OH)₃ + 3H₂SO₄
   Reaction with salts [if any]: Al₂SO₃ + 3Na₂CO₃ -> 2Al(OH)₃ + 3Na₂SO₄ + 3CO₂

4. Preparation of Al₂SO₃

4.1 Laboratory synthesis of Al₂SO₃: Al₂SO₃ is prepared by reacting aluminum with dilute sulfuric acid.
4.2 Industrial preparation of Al₂SO₃: In industry, Al₂SO₃ is usually produced by heating aluminum oxide with sulfur.