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Properties of substance:

lead(II) hydroxide

Group of substances:

inorganic

Physical appearance:

colorless hexagonal crystals

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

H4O8Pb6

Structural formula as text:

Pb6O4(OH)4

Molar/atomic mass: 1375.227

Decomposition temperature (°C):

145

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
water: 0.0155 (20°C) [Ref.]

Dissociation:

pKa (1) = 15.7 (18°C, water)
pKb (1) = 3.02 (25°C, water)
pKsp (0) = 15.33 (20°C, water)

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

-512.5 (s)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

-451.2 (s)

References:

  1. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 186-187 [Russian]
  2. Неорганическая химия. - Под ред. Третьякова Ю.Д., Т.2. - М.: Academa, 2004. - pp. 143-144 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 94 [Russian]
  4. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 233 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru