What is K2S2O3? Important Knowledge about K2S2O3.

1. Definition of K₂S₂O₃

K₂S₂O₃ is a chemical compound, also known as potassium thiosulfate. This compound consists of 2 potassium atoms, 2 sulfur atoms, and 3 oxygen atoms. The molecular weight of K₂S₂O₃ is 158.32 grams/mol. The molecular structure of K₂S₂O₃ includes 2 K+ ions and 1 S₂O₃- ion.

2. Properties of K₂S₂O₃

K₂S₂O₃ is a white, odorless solid with a neutral pH. The chemical properties of K₂S₂O₃ are demonstrated in various chemical reactions, such as reactions with metals, acids, non-metals, and salts. For example, K₂S₂O₃ can react with strong acids like H₂SO₄ to produce SO₂ and H₂O.

3. Chemical equation of K₂S₂O₃

The general chemical equation of K₂S₂O₃ with acid is:
K₂S₂O₃ + H₂SO₄ -> K₂SO₄ + SO₂ + H₂O.

4. Synthesis of K₂S₂O₃

The synthesis of K₂S₂O₃ is not too difficult. In the lab, you can synthesize K₂S₂O₃ by reacting K₂SO₄ with S, producing K₂S₂O₃ and SO₂. On an industrial scale, K₂S₂O₃ is usually produced from the reaction between potassium hydroxide and sulfur, followed by further reaction with oxygen to produce K₂S₂O₃.