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Properties of substance:

nickel(II) sulfate hexahydrate α-form

Group of substances:

inorganic

Physical appearance:

tetragonal crystals

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

H12NiO10S

Structural formula as text:

NiSO4 * 6H2O

Molar/atomic mass: 262.844

Decomposition temperature (°C):

100

CAS №: 10101-97-0

Solubility (g/100 g of solvent):

ethanol: sparingly soluble [Ref.]
methanol: 14.2 (14°C) [Ref.]
water: 106.3 (32.3°C) [Ref.]

Density:

2.07 (g/cm3)

Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

-2685.7 (s) [Ref.]

Standard molar Gibbs energy of formation ΔfG (298 K, kJ/mol)

-2226.5 (s) [Ref.]

Standard molar entropy S (298 K, J/(mol·K))

334.7 (s) [Ref.]

Molar heat capacity at constant pressure Cp (298 K, J/(mol·K))

328.7 (s) [Ref.]

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-78
  2. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.40
  3. Patnaik P. Handbook of inorganic chemicals. - McGraw-Hill, 2003. - pp. 622
  4. Perry's Chemical Engineers' handbook. - 8 ed. - 2008. - pp. 2-20
  5. The Merck Index. - 15th ed. - Royal Society of Chemistry, 2013. - pp. 1212
  6. Справочник химика. - 2 изд., Т. 2. - Л.-М.: Химия, 1964. - pp. 154-155 [Russian]
  7. Химическая технология неорганических веществ. - Кн.2, под ред. Ахметова Т.Г. - М.: Высшая школа, 2002. - pp. 493 [Russian]
  8. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 246 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru