Sodium sulfite

Sodium sulfite is a chemical compound. White odorless powder. Density 2.633 g / cm3. It is moderately toxic. 

It is made of sodium and sulfite ions. It is one of the sulfites used to preserve dried food. It is used to remove chlorine from pools. It reacts with acids to produce sulfur dioxide. It is a weak reducing agent. When it is oxidized, it is converted to sodium sulfate. Its chemical formula is Na2SO3.

Related pages
Sulfate
Sulfuric acid
Sulfurous acid

 References 

Category:Sodium compounds
Category:Sulfur compounds