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Sodium sulfite

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Sodium sulfite

Molecular formula: Na2O3S CAS# 7757-83-7
Categories: Inorganic salt
PubChem CID: 24437
Names
English:
Disodium sulfite
E221
Natrii sulphis
Natrium sulfurosum
Sodium sulfite
Sodium sulfite anhydrous
Sodium sulphite
Sulftech
Sulfurous acid, disodium salt(CAS)
disodium;sulfite(IUPAC)
sodium salt of sulfurous acid
Русский:
Натрия сульфит
Сульфит натрия
сернисто-кислый натрий
German:
Natriumsulfit
Schwefligsaures Natrium
العربية:
كبريتيت الصوديوم
كبريتيت صوديوم(IUPAC)
Español:
Sulfato (IV) de sodio
Sulfito de sodio
Sulfito sódico
French:
Sulfite de sodium(IUPAC)
Italiano:
Solfito di sodio
solfito sodico
日本語:
亜硫酸ナトリウム(IUPAC)
中文:
亚硫酸钠

Variants of the formula:

Na2SO3
Na(+1)2S(+4)O(-2)3
Na^+/0O^-\S|O`|/O^-\0Na^+
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Sodium sulfite is involved

  • Na2SO3 + H2SO4 -> Na2SO4 + H2SO3
  • 2NaOH + SO2 -> Na2SO3 + H2O
  • {M}2O + {X}O2 -> {M}2{X}O3 , where M = Na K Li Rb Cs; X = C S Si
  • 2NaI + 2CuSO4 + Na2SO3 + H2O -> 2CuI"|v" + 2Na2SO4 + H2SO4
  • H2{X} + 2{M}OH = {M}2{X} + 2H2O , where X = SO4 SO3; M = Li Na K Rb