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Properties of substance:

zinc sulfate

Synonyms:

zinc sulphate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

O4SZn

Structural formula as text:

ZnSO4

Molar/atomic mass: 161.44

Decomposition temperature (°C):

600

Solubility (g/100 g of solvent):

acetic acid: practically insoluble [Ref.]
ethanol: 0.038 (15°C) [Ref.]
ethanol: 0.034 (25°C) [Ref.]
ethanol: 0.029 (35°C) [Ref.]
ethanol: 0.02 (55°C) [Ref.]
ethyl acetate: insoluble [Ref.]
glycerol: 35 (15.5°C) [Ref.]
hydrazine: insoluble [Ref.]
hydrogen fluoride : insoluble [Ref.]
methanol: 0.485 (15°C) [Ref.]
methanol: 0.428 (25°C) [Ref.]
methanol: 0.408 (35°C) [Ref.]
methanol: 0.42 (45°C) [Ref.]
methanol: 0.463 (55°C) [Ref.]
sulfuric acid: 0.28 (25°C) [Ref.]
sulfuric acid: 1.11 (128.6°C) [Ref.]
water: 41.8 (0°C) [Ref.]
water: 47.5 (10°C) [Ref.]
water: 54.1 (20°C) [Ref.]
water: 58 (25°C) [Ref.]
water: 62.1 (30°C) [Ref.]
water: 70.4 (40°C) [Ref.]
water: 74.8 (60°C) [Ref.]
water: 67.2 (80°C) [Ref.]
water: 60.5 (100°C) [Ref.]

Properties of solutions:

16% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 2.152 (20°)
  Density (g/cm3) = 1.1806 (20°)
  Index of refraction = 1.363 (20°)
  Freezing point (°C) = -2.31

Density:

3.74 (20°C, g/cm3)

Refractive index (nD):

1.658 (20°C)

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

-981.4 (s)

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

-870.1 (s)

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

110.5 (s)

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

99.08 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1593-1596
  2. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 374 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 113 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 264, 796 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru