- 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.
- 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.
- 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
- 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.