What is Sr(OH)2? Important knowledge about Sr(OH)2.

  1. Definition of Sr(OH)2

Sr(OH)2, also known as strontium hydroxide, is a chemical compound with the chemical formula Sr(OH)2. Its English name is Strontium Hydroxide.

The atomic mass of Sr(OH)2 consists of a strontium atom (Sr), and two hydroxide atoms (OH).

The molar mass of Sr(OH)2 is 121.63 g/mol.

The molecular structure consists of one Sr2+ ion bonded with two OH- ions. Sr(OH)2 is a basic hydroxide with an ionic structure.

  1. Properties of Sr(OH)2

Physical properties of Sr(OH)2: it is a colorless, odorless crystalline solid. The pH of the Sr(OH)2 solution is very high, indicating that it is a strong base.

Chemical properties: Sr(OH)2 reacts with acids to form strontium salts and water. It can also react with metals or nonmetals under certain conditions.

  1. Common chemical equations involving Sr(OH)2

Sr(OH)2 + H2SO4 -> SrSO4 + 2H2O
Sr(OH)2 + 2HCl -> SrCl2 + 2H2O
Sr(OH)2 + 2HI -> SrI2 + 2H2O
Sr(OH)2 + H3PO4 -> Sr3(PO4)2 + 6H2O
Sr(OH)2 + HNO3 -> Sr(NO3)2 + 2H2O

  1. Preparation of Sr(OH)2

Laboratory preparation of Sr(OH)2: Strontium can react with water to form Sr(OH)2.
Sr + 2H2O -> Sr(OH)2 + H2

Industrially, Sr(OH)2 is often produced by reacting lime water with strontium carbonate.

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