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Properties of substance:

chromium(III) nitrate nonahydrate

Group of substances:

inorganic

Physical appearance:

purple monoclinic crystals

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

H18CrN3O18

Structural formula as text:

Cr(NO3)3 * 9H2O

Molar/atomic mass: 400.15

Melting point (°C):

37

Decomposition temperature (°C):

125

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
ethanol: soluble [Ref.]
water: 208 (15°C) [Ref.]

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

508.4 (s)

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

454.4 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-59
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 110 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru