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Properties of substance:

silver sulfate


Physical appearance:

white rhombic crystals

Empirical formula (Hill's system):

Ag2O4S

Structural formula:

Ag2SO4

Molar/atomic mass: 311.79

Melting point (°C):

660

Destruction point (°C):

1085

Solubility (g/100 g of solvent):

water: 0.57 (0°C)
water: 0.69 (10°C)
water: 0.8 (20°C)
water: 0.84 (25°C)
water: 0.89 (30°C)
water: 0.98 (40°C)
water: 1.15 (60°C)
water: 1.3 (80°C)
water: 1.41 (100°C)
sulfuric acid: 25.44 (13°C)
sulfuric acid: 31.56 (24.5°C)
sulfuric acid: 36 (29.9°C)
sulfuric acid: 127.01 (96°C)
hydrogen fluoride : insoluble
ethanol: insoluble

Density:

5.45 (29°C, g/cm3)

    Dissociation:

    pПР (0) = 4.7 (20°C, water)

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

    -717.2 (s)

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

    -619.6 (s)

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

    199.8 (s)

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

    131.4 (s)

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

    17.9

    References:

    1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 73-76
    2. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 267
    3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 98-99
    4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 201
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru