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Sodium chromate

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Sodium chromate

Molecular formula: CrNa2O4 CAS# 7775-11-3
Categories: Inorganic salt
PubChem CID: 24488 | ChemSpider ID: 22896 | CHEMBL2110574
Names
English:
Chromic acid, (Na2CrO4), disodium salt
Chromicacid (H2CrO4), disodium salt (8CI,9CI)
Chromium disodium oxide
Chromiumsodium oxide (CrNa2O4)
Disodium chromate
Disodium chromate (Na2CrO4)
Disodium dioxido(dioxo)chromium(IUPAC)
EINECS:231-889-5
Rachromate
Sodium chromate [Wiki]
Sodium chromate (Na2(CrO4))
Sodium chromate (VI)
Sodium chromiumoxide (Na2CrO4)
Tetraoxocromato (VI) de sodio
chromium, diolatodioxo-, disodium salt
chromium, diolatodioxo-, sodium salt (1:2)
disodium;dioxido(dioxo)chromium(IUPAC)

Variants of the formula:

Na2CrO4
Na(+1)2Cr(+6)O(-2)4
Na^+\0O`^-/Cr<_qq4O><_pp4O>/O^-\0Na^+
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Sodium chromate is involved

  • 2Na3[Cr(OH)6] + 3H2O2 "90^oC"--> 2Na2CrO4 + 2NaOH + 8H2O
  • 3NaOCl + 2Cr(OH)3 + 4NaOH -> 2Na2CrO4 + 3NaCl + 5H2O
  • Ba(OH)2 + Na2CrO4 -> BaCrO4"|v" + 2NaOH
  • BaS + Na2CrO4 -> BaCrO4"|v" + Na2S
  • CrO2Cl2 + 4NaOH -> Na2CrO4 + 2NaCl + 2H2O