Periodic table of elements

Ferric(III) hydroxide [Fe(OH)3]

SOLUBILITY:
water [H2O]: 0,0000151
diethyl ether [C2H5OC2H5]: insoluble
ethanol [C2H5OH]: insoluble

PROPERTIES:
brown cubic crystals
M (molar mass): 106,870 g/mol
ТDT (decomposing temperature): 500 °C
Decomp. to (names of the decomposition products): железа(III) оксид альфа-форма, вода
D (density): 3,7 (20°, g/cm3, s.)
ΔH°298 (Standard molar enthalpy of reaction at 298 К): -826,6 (s) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -699,6 (s) kJ/mol
298 (standard molar entropy at 298 К): 105 (s) J/(mol•К)
p (standard molar heat capacity): 101,7 (s) J/(mol•К)
pSP (solubility product index): 37,42 (20°, water)
pKb2 (acid dissociation constant): 10,74 (25°, water)
pKb3 (acid dissociation constant): 11,87 (25°, water)

LITERARY REFERENCES:
• Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1 - New York: D. Van Nostrand Company, 1940. – P. 535
• Efimov A.I. i dr. Svoystva neorganicheskih soedineniy. Spravochnik. - L.: Himiya, 1983. – P. 116-117
• Rabinovich V.A., Havin Z.Ya. Kratkiy himicheskiy spravochnik. - L.: Himiya, 1977. – P. 63

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