Group of substances:

Physical appearance:

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

Structural formula as text:

Molar/atomic mass: 252.15

Decomposition temperature (°C):

Solubility (g/100 g of solvent):

Density:

Reactions:

1. [Ref.1, Ref.2, Ref.3, Ref.4]
   Na₂SO₃ * 7H₂O + S → Na₂S₂O₃ * 5H₂O + 2H₂O
   

Standard molar enthalpy (heat) of formation Δ_fH⁰ (298.15 K, kJ/mol):

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

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

References:

1. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 166-167 [Russian]
   
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   © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru