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Sodium arsenate

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Sodium arsenate

Molecular formula: AsNa3O4 CAS# 13464-38-5
Categories: Inorganic salt
PubChem CID: 47275 | ChemSpider ID: 43027 | CB9881622
Names
English:
Arsenate, sodium
Arsenic acid, trisodium salt
Arsenic(V) acid, trisodium salt, heptahydrate (1:3:7)
EINECS:236-682-3
Monosodium arsenate
Sodium arsenate
Trisodium arsenate

Variants of the formula:

Na3AsO4
$L(1.2)$slope(45)Na^+\0O`^-/As<`\O`^-/0Na^+>\O`\/O^-\0Na^+
Na(+1)3As(+5)O(-2)4
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Sodium arsenate is involved

  • 2As + 6NaOH + 5NaClO -> 2Na3AsO4 + 5NaCl + 3H2O
  • As2O3 + 6NaOH + 2NaNO3 "400-500^oC"--> 2Na3AsO4 + 2NaNO2 + 3H2O
  • As2O5 + 6NaOH -> 2Na3AsO4 + 3H2O
  • 5NaAsO2 "300-550^oC"--> Na3AsO4 + 2NaAsO3 + 2As
  • NaAsO2 + NaClO + 2NaOH -> Na3AsO4 + NaCl + H2O