- Definition of Na2S2O3
Na2S2O3 is the chemical formula for sodium thiosulfate, an important chemical often used in the industry. Its English name is Sodium thiosulfate. It consists of 2 sodium atoms, 2 sulfur atoms and 3 oxygen atoms. Its molecular mass is 158.11 g/mol. The molecule Na2S2O3 has a unique structure with a bridge bond between the two sulfur atoms.
- Properties of Na2S2O3
2.1 Physical properties of Na2S2O3: Na2S2O3 usually exists in the form of colorless, odorless crystals and has a neutral PH level.
2.2 Chemical properties of Na2S2O3: Na2S2O3 is capable of reacting with iodine to create sodium iodide and sulfuric acid. It can also react with strong acids to produce sulfur, sodium sulfate, and water.
- Common chemical equations for Na2S2O3:
Na2S2O3 + 2HCl -> 2NaCl + S + SO2 + H2O
Na2S2O3 + I2 -> 2NaI + S + SO2
- Synthesis of Na2S2O3:
4.1 Laboratory synthesis of Na2S2O3: In the laboratory, Na2S2O3 is usually synthesized by reacting Na2SO3 with sulfur.
4.2 Industrial synthesis of Na2S2O3: In industry, Na2S2O3 is typically produced by heating sodium sulfate with sulfur and charcoal to create sodium thiosulfate.