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Properties of substance:

potassium tetraborate

Group of substances:

inorganic

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

B4K2O7

Structural formula as text:

K2B4O7

Molar/atomic mass: 233.436

Melting point (°C):

815

Solubility (g/100 g of solvent):

water: 21.3 (35°C) [Ref.]

Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

-3326.3 (s) [Ref.]

Standard molar entropy S (298 K, J/(mol·K))

208.4 (s) [Ref.]

References:

  1. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 119 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru