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Properties of substance:

ammonium oxalate monohydrate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

C2H10N2O5

Structural formula as text:

(NH4)2C2O4 * H2O

Molar/atomic mass: 142.11

Decomposition temperature (°C):

120

Solubility (g/100 g of solvent):

ethanol: sparingly soluble [Ref.]
water: 2.36 (0°C) [Ref.]
water: 3.21 (10°C) [Ref.]
water: 4.45 (20°C) [Ref.]
water: 5.21 (25°C) [Ref.]
water: 6.08 (30°C) [Ref.]
water: 8.18 (40°C) [Ref.]
water: 10.8 (50°C) [Ref.]
water: 14 (60°C) [Ref.]
water: 22.4 (80°C) [Ref.]
water: 34.6 (100°C) [Ref.]

Density:

1.5 (20°C, g/cm3)

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

-1424 (s)

References:

  1. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.16
  2. Perry D.L. Handbook of Inorganic Compounds. - 2nd ed. - CRC Press, 2011. - pp. 30
  3. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1075-1078
  4. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 133 [Russian]
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 53 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru