Sodium carbonate, formula: Na2CO3, the popular name is Soda Ash. Soda ash light and dense Sodium carbonate, formula: Na2CO3, the ... , white power or fine granular crystal, soluble in water easily, resoluble in high temperature. It can be hydrolyzed to many ... dioxide, it becomes NaHCO3 again.Sodium Carbonate is widely used in chemical industry, metallurgical, defense, medical, petroleum, glass, food, ...