• Mar 4, 2026 Nas2o3 chemical reactions. I. What is Sodium Thiosulfate (Na₂S₂O₃) and its Basic Properties? Q: What exactly is sodium thiosulfate? A: Sodium thiosulfate is a colorless, crystalline, and water-soluble salt. Its chemical structure consists of a central sulfur atom bonded to three oxygen atoms and ano By Mr. Bernadine Beatty