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Properties of substance:

metaboric acid monoclinic

Group of substances:

inorganic

Physical appearance:

monoclinic crystals

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

HBO2

Structural formula as text:

HBO2

Molar/atomic mass: 43.82

Melting point (°C):

201

Decomposition temperature (°C):

600

Dissociation:

pKa (1) = 9.12 (18°C, water)

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

-804 (s)

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

49 (s)

References:

  1. Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 196 [Russian]
  2. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 10 [Russian]
  3. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 78 [Russian]
  4. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 305 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru