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Properties of substance:

lead(II) sulfate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

O4PbS

Structural formula as text:

PbSO4

Molar/atomic mass: 303.3

Melting point (°C):

1170

Decomposition temperature (°C):

1170

Solubility (g/100 g of solvent):

acetic acid: practically insoluble [Ref.]
dimethylformamide: 0.1 (25°C) [Ref.]
ethanol: insoluble [Ref.]
ethyl acetate: insoluble [Ref.]
methanol: insoluble [Ref.]
sulfuric acid: 3.8 (25°C) [Ref.]
water: 0.0045 (25°C) [Ref.]
water: 0.0057 (50°C) [Ref.]

Density:

6.35 (20°C, g/cm3)

Dissociation:

pKsp (0) = 7.8 (25°C, water)

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

-920.6 (s)

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

-813.8 (s)

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

148.6 (s)

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

103.2 (s)

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

40

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1409-1417
  2. Лидин Р.А., Аликберова Л.Ю., Логинова Г.П. Неорганическая химия в вопросах. - М.: Химия, 1991. - pp. 177 [Russian]
  3. Полянский Н.Г. Свинец. - М.: Наука, 1986. - pp. 29-30 [Russian]
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 95 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 321-322 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru