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Properties of substance:

magnesium nitrate hexahydrate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

H12MgN2O12

Structural formula as text:

Mg(NO3)2 * 6H2O

Molar/atomic mass: 256.41

Melting point (°C):

95

Solubility (g/100 g of solvent):

ethanol: 1.5 (0°C) [Ref.]
ethanol: 3.1 (20°C) [Ref.]
ethanol: 10.9 (40°C) [Ref.]
ethanol: 24.2 (60°C) [Ref.]
methanol: 15.7 (10°C) [Ref.]
methanol: 17.3 (20°C) [Ref.]
methanol: 23.3 (40°C) [Ref.]
methanol: 35 (60°C) [Ref.]
water: 70.1 (10°C) [Ref.]
water: 73.3 (20°C) [Ref.]
water: 75.1 (25°C) [Ref.]
water: 77.3 (30°C) [Ref.]
water: 81.2 (40°C) [Ref.]
water: 85.9 (50°C) [Ref.]
water: 91.9 (60°C) [Ref.]
water: 110.1 (80°C) [Ref.]
water: 137 (90°C) [Ref.]

Density:

1.464 (20°C, g/cm3)

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

-2612.3 (s)

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

-2072.4 (s)

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

453.1 (s)

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

41

References:

  1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 78 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru