Sodium carbonate can be also named soda ash. And the chemical
formula is Na2CO3. The appearance is white crystal powder and it is
the strong electrolyte. Its Density is 2.**2g/cm3, the melting
point **1° C, and soluble in water. The common content is *9.2%
with the moderately corrosive. And they are mainly used in
chemical, metallurgical, textile, printing, dyeing, glass, enamel,
medicine and the paper-making etc.