What is Ag2SO4? Important knowledge about Ag2SO4.

Definition of Ag₂SO₄
Ag₂SO₄, also known as Silver Sulfate, is a chemical compound consisting of two silver atoms (Ag), one sulfur atom (S), and four oxygen atoms (O). The English name of this substance is “Silver Sulfate”. In the Ag₂SO₄ molecule, the two silver atoms and one sulfur atom have atomic masses of 107.87 and 32.06 respectively, while oxygen has an atomic mass of 16. Its molecular structure is a sulfur atom at the center, connected to four oxygen atoms to form a tetrahedron, and two silver atoms on either side. In water, Ag₂SO₄ dissociates into silver ions (Ag+) and sulfate ions (SO₄��-).

Properties: Ag₂SO₄
2.1 Physical properties of Ag₂SO₄: Ag₂SO₄ is a solid, white, odorless substance. The pH of an Ag₂SO₄ solution in water is typically very acidic.
2.2 Chemical properties of Ag₂SO₄: Ag₂SO₄ is soluble in water and will dissociate into Ag+ and SO₄��- ions. It can also react with metals to replace silver, forming the metal’s sulfate and solid silver.

Common chemical equations for Ag₂SO₄
Ag₂SO₄ primarily participates in substitution reactions and acid reactions. For example:

• Substitution reaction with the metal Cu: Cu + Ag₂SO₄ -> CuSO₄ + 2Ag
• Acid reaction: Ag₂SO₄ + 2HCl -> 2AgCl + H₂SO₄
• Reaction with salts: Ag₂SO₄ + 2NaCl -> 2AgCl + Na₂SO₄

Synthesis of Ag₂SO₄
4.1 Laboratory synthesis of Ag₂SO₄: Ag₂SO₄ can be synthesized by reacting AgNO₃ with H₂SO₄: 2AgNO₃ + H₂SO₄ -> Ag₂SO₄ + 2HNO₃
4.2 Industrial synthesis of Ag₂SO₄: In industry, Ag₂SO₄ is usually produced by treating Ag₂O with concentrated hot H₂SO₄.