What is Sr4S3? Important knowledge about Sr4S3.

1. Definition of Sr₄S₃:

Sr₄S₃ is the chemical formula for a substance known as Strontium Sulfide. It is an inorganic compound consisting of 4 strontium (Sr) atoms and 3 sulfur (S) atoms.

1.1 Names:
1.1.1 Common name: Strontium Sulfide.
1.1.2 English name: Strontium Sulfide.

1.2 Atomic composition: 4 strontium atoms and 3 sulfur atoms.

1.3 Atomic mass: Each strontium atom has a mass of 87.62 amu, each sulfur atom has a mass of 32.06 amu. Therefore, the mass of Sr₄S₃ is 4 x 87.62 + 3x₃₂ -> .06 = 428.52 amu.

1.4 Ion structure: Sr₄S₃ consists of Sr₂+ ions and S₂- ions.

2. Properties of Sr₄S₃:
   2.1 Physical properties of Sr₄S₃: Sr₄S₃ typically appears as a white or pale yellow powder, is odorless and does not dissolve in water.
   2.2 Chemical properties of Sr₄S₃: Sr₄S₃ reacts with acids to form strontium salts and sulfur gas.

3. Common chemical equations involving Sr₄S₃: Sr₄S₃ + 6HCl -> 4SrCl₂ + 3H₂S.

4. Synthesis of Sr₄S₃:
   4.1 Laboratory synthesis of Sr₄S₃: Heating strontium and sulfur at high temperatures to form Sr₄S₃.
   4.2 Industrial synthesis of Sr₄S₃: Heating strontium and sulfur in an air environment to produce Sr₄S₃.