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Properties of substance:

ferric sulfate

Synonyms:

iron(III) sulfate

Group of substances:

inorganic

Physical appearance:

colorless hexagonal crystals

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

Fe2O12S3

Structural formula as text:

Fe2(SO4)3

Molar/atomic mass: 399.87

Decomposition temperature (°C):

600

Solubility (g/100 g of solvent):

acetic acid: practically insoluble [Ref.]
ethyl acetate: insoluble [Ref.]
water: soluble [Ref.]

Hygroscopic:

yes

Numerical data:

Magnetic susceptibility (mm3/kg): 30.6

Density:

3.097 (18°C, g/cm3)

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

-2584 (s)

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

-2253 (s)

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

282.8 (s)

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

271.75 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 540-546
  2. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 374 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 63 [Russian]
  4. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 136-137 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru