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Properties of substance:

zinc nitrate

Group of substances:

inorganic

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

N2O6Zn

Structural formula as text:

Zn(NO3)2

Molar/atomic mass: 189.4

Decomposition temperature (°C):

240

Solubility (g/100 g of solvent):

acetonitrile: 71 (20°C) [Ref.]
ammonia liquid : 11.71 (-78.5°C) [Ref.]
ammonia liquid : 35.1 (-58°C) [Ref.]
ammonia liquid : 29.01 (0°C) [Ref.]
ethyl acetate: very soluble [Ref.]
methyl acetate: soluble [Ref.]
nitromethane: 0.45 (20°C) [Ref.]
water: 93.8 (0°C) [Ref.]
water: 118.8 (20°C) [Ref.]
water: 128 (25°C) [Ref.]
water: 139.23 (30°C) [Ref.]
water: 334.8 (40°C) [Ref.]
water: 870.9 (70°C) [Ref.]

Multicomponent solubility (in wt%):

water 43.4%, nitric acid 3.5%, zinc nitrate 53.1%, 25 °C, separating phase: Zn(NO3)2 * 6H2O [Ref.]
water 34.5%, nitric acid 24.%, zinc nitrate 41.5%, 25 °C, separating phase: Zn(NO3)2 * 4H2O [Ref.]
water 21.3%, nitric acid 12.8%, zinc nitrate 65.9%, 25 °C, separating phase: Zn(NO3)2 * 2H2O [Ref.]
water 13.3%, nitric acid 42.1%, zinc nitrate 44.6%, 25 °C, separating phase: Zn(NO3)2 * 2H2O [Ref.]
water 10.5%, nitric acid 37.4%, zinc nitrate 52.1%, 25 °C, separating phase: Zn(NO3)2 * H2O [Ref.]
water 1.3%, nitric acid 88.8%, zinc nitrate 9.9%, 25 °C, separating phase: Zn(NO3)2 * H2O [Ref.]

Reactions of synthesis:

  1. [Ref.1]
    4Zn + 10HNO3 (0,5%) → 4Zn(NO3)2 + NH4NO3 + 3H2O
  2. [Ref.1, Ref.2]
    5Zn + 12HNO3 (6-10%) → 5Zn(NO3)2 + N2 + 6H2O
  3. [Ref.1]
    4Zn + 10HNO3 (20%) → 4Zn(NO3)2 + N2O + 5H2O
  4. [Ref.1]
    3Zn + 8HNO3 (40%) → 3Zn(NO3)2 + 2NO + 4H2O
  5. [Ref.1, Ref.2]
    Zn + 4HNO3 (68%) → Zn(NO3)2 + 2NO2 + 2H2O

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

-483.7 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-16
  2. Comey A. M., Hahn D. A. A dictionary of Chemical Solubilities Inorganic. - 2 ed. - New York, The MacMillan Company, 1921. - pp. 602-603
  3. Journal of the Chemical Society. - 1964. - pp. 4431
  4. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1587-1589
  5. Stern K.H. High temperature properties and thermal decomposition of inorganic salts with oxyanions. - CRC Press, 2001. - pp. 168
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 263, 795 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru