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Properties of substance:

sodium arsenate

Group of substances:

inorganic

Empirical formula (Hill's system for organic substances):

AsNa3O4

Structural formula as text:

Na3AsO4

Molar/atomic mass: 207.889

Melting point (°C):

1050

Solubility (g/100 g of solvent):

glycerol: 50 (15°C) [Ref.]
water: 11.6 (17°C) [Ref.]

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-1535 (s)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

-1412 (s)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

186 (s)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

170.1 (s)

References:

  1. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 136 [Russian]
  2. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 7 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru