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Properties of substance:

cobalt(II) nitrate

Group of substances:

inorganic

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

CoN2O6

Structural formula as text:

Co(NO3)2

Molar/atomic mass: 182.94

Decomposition temperature (°C):

100-270

Solubility (g/100 g of solvent):

acetonitrile: soluble [Ref.]
ammonia liquid : soluble [Ref.]
dimethylsulfoxide: soluble [Ref.]
ethyl acetate: soluble [Ref.]
ethylene glycol : 400 (20°C) [Ref.]
hydrogen fluoride : insoluble [Ref.]
water: 84.03 (0°C) [Ref.]
water: 98.93 (18°C) [Ref.]
water: 100.43 (25°C) [Ref.]
water: 338.8 (91°C) [Ref.]

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

-422 (s)

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

-230 (s)

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

192 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 429-431
  2. Stern K.H. High temperature properties and thermal decomposition of inorganic salts with oxyanions. - CRC Press, 2001. - pp. 158
  3. Перельман Ф.М., Зворыкин А.Я. Кобальт и никель. - М.: Наука, 1975. - pp. 62 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 354 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1008 [Russian]
  6. Химическая технология неорганических веществ. - Кн.2, под ред. Ахметова Т.Г. - М.: Высшая школа, 2002. - pp. 478-479 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru