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Properties of substance:

thorium sulfate

Group of substances:

inorganic

Physical appearance:

colorless crystals

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

O8S2Th

Structural formula as text:

Th(SO4)2

Molar/atomic mass: 424.15

Decomposition temperature (°C):

400

Solubility (g/100 g of solvent):

methanol: 0.029 (15°C) [Ref.]
methanol: 0.024 (25°C) [Ref.]
methanol: 0.019 (35°C) [Ref.]
methanol: 0.014 (45°C) [Ref.]
methanol: 0.01 (55°C) [Ref.]
water: 0.75 (0°C) [Ref.]
water: 1.38 (20°C) [Ref.]
water: 1.99 (30°C) [Ref.]
water: 3 (40°C) [Ref.]
water: 3.35 (43°C) [Ref.]
water: 1.63 (60°C) [Ref.]
water: 0.81 (80°C) [Ref.]
water: 0.7 (100°C) [Ref.]

Density:

4.37 (18°C, g/cm3)

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

-2541.4 (s)

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

-2306.2 (s)

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

148.1 (s)

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

173.2 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1534-1536
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 105 [Russian]
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 361-362 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1015 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru