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Properties of substance:

iron(III) phosphate dihydrate


Physical appearance:

monoclinic crystals

Empirical formula (Hill's system):

H4FeO6P

Structural formula:

FePO4 · 2H2O

Molar/atomic mass: 186.86

Destruction point (°C):

250

Solubility (g/100 g of solvent):

water: very slightly soluble
water: 0.67 (100°C)

Density:

2.87 (20°C, g/cm3)

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

    -1888 (s)

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

    171.3 (s)

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

    180.5 (s)

    References:

    1. Синтезы неорганических соединений. - Т.2, под ред. Джолли У. - М.: Мир, 1967. - pp. 213-214
    2. Справочник химика. - Т.2. - Л.-М.: Химия, 1964. - pp. 62-63
    3. Химическая энциклопедия. - Т.2. - М.: Советская энциклопедия, 1990. - pp. 137
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru