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Md Abdul Motin

What is the formula of sodium metabisulphite?

Chris Hirst Follow

Sodium Oxide - Na₂O.

Reason - Sodium has +1 oxidation number and oxygen has -2 oxidaton number.

Don't get confused, by sodium peroxide (Na2O2) and sodium superoxide (NaO2). Peroxide is -1 and superoxide -1/2.

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Ahmed Ali Follow

Sodium arsenite is an inorganic sodium salt.
Another name of sodium arsenite is sodium meta arsenite.
Sodium arsenite formula is “NaAsO2”.

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