Periodic table of elements

Cobalt(II) hydroxide [Co(OH)2]

SOLUBILITY:
water [H2O]: 0,000318 (20)

PROPERTIES:
pink trigonal crystals
M (molar mass): 92,950 g/mol
ТDT (decomposing temperature): 200 °C
Decomp. to (names of the decomposition products): ???????? ?????, ????
D (density): 3,6 (15, ?/??3, ?.)
ΔH°298 (Standard molar enthalpy of reaction at 298 К): -541 (?) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -456,1 (?) kJ/mol
298 (standard molar entropy at 298 К): 82 (?) J/(mol•К)
pSP (solubility product index): 15 (20, ????)
pKb2 (acid dissociation constant): 4,4 (25, ????)

LITERARY REFERENCES:
• Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1 - New York: D. Van Nostrand Company, 1940. – P. 431
• ????????? ?.?., ????? ?.?. ??????? ?????????? ??????????. - ?.: ?????, 1977. – P. 73
• ????? ?.?. ?????????? ???????? (?????????????? ???????????, ??????, ????????? ? ????????). - ????: ??????? ?????, 1972. – P. 45-47

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