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Properties of substance:

lithium metaborate

Group of substances:

inorganic

Physical appearance:

white monoclinic crystals

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

BLiO2

Structural formula as text:

LiBO2

Molar/atomic mass: 49.751

Melting point (°C):

849

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
ethanol: soluble [Ref.]
ethyl acetate: insoluble [Ref.]
methyl acetate: insoluble [Ref.]
water: 0.89 (0°C) [Ref.]
water: 2.57 (20°C) [Ref.]
water: 7.99 (40°C) [Ref.]
water: 11.8 (80°C) [Ref.]

Hygroscopic:

yes

Density:

2.18 (20°C, g/cm3)

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

-1022 (s)

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

51.3 (s)

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

59.8 (s)

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

33.9

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 897-898
  2. Волков А.И., Жарский И.М. Большой химический справочник. - Минск: Современная школа, 2005. - pp. 163 [Russian]
  3. Новый справочник химика и технолога. Химическое равновесие. Свойства растворов. - СПб.: НПО Профессионал, 2004, 2007. - pp. 223 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru