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Properties of substance:

zinc nitrate hexahydrate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

H12N2O12Zn

Structural formula as text:

Zn(NO3)2 * 6H2O

Molar/atomic mass: 297.45

Melting point (°C):

36.4

Decomposition temperature (°C):

105

Solubility (g/100 g of solvent):

ammonia liquid : 29 (0°C) [Ref.]
ethanol: very soluble [Ref.]
water: 93.8 (0°C) [Ref.]
water: 104.9 (10°C) [Ref.]
water: 118.8 (20°C) [Ref.]
water: 127.3 (25°C) [Ref.]
water: 139.2 (30°C) [Ref.]
water: 210 (40°C) [Ref.]
water: 432 (50°C) [Ref.]
water: 707 (60°C) [Ref.]
water: 871 (70°C) [Ref.]

Density:

2.13 (20°C, g/cm3)

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

-2306.8 (s)

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

-1174.9 (s)

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

462.3 (s)

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

397 (s)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

38.6

References:

  1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 113 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru