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Properties of substance:

potassium oxalate monohydrate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

C2H2K2O5

Structural formula as text:

K2C2O4 * H2O

Molar/atomic mass: 184.23

Decomposition temperature (°C):

160

Solubility (g/100 g of solvent):

water: 25.4 (0°C) [Ref.]
water: 30.2 (10°C) [Ref.]
water: 33 (16°C) [Ref.]
water: 34.9 (20°C) [Ref.]
water: 37.7 (25°C) [Ref.]
water: 40.3 (30°C) [Ref.]
water: 45.4 (40°C) [Ref.]
water: 55.3 (60°C) [Ref.]
water: 67.2 (80°C) [Ref.]
water: 80.2 (100°C) [Ref.]
water: 100 (130°C) [Ref.]

Density:

2.13 (20°C, g/cm3)

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

-1645.1 (s)

References:

  1. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.44
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 69 [Russian]
  3. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 233 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru