Periodic table of elements

Potassium hydroxide [KOH]

SOLUBILITY:
water [H2O]: 97,6 (0), 102,4 (10), 112,4 (20), 117,9 (25), 135,3 (40), 147,5 (60), 162,5 (80), 179,3 (100), 206 (120), 367 (140)
diethyl ether [C2H5OC2H5]: ?.?.
methanol [CH3OH]: 55 (28)
ethanol [C2H5OH]: 38,7 (28)

PROPERTIES:
colourless monoclinic crystals
M (molar mass): 56,110 g/mol
MP (melting point): 380 °C
MB (boiling point): 1320 °C
D (density): 2,12 (25, ?/??3, ?.)
ΔHmelt (molar enthalpy of melting): 7,5 kJ/mol
ΔHboil (molar enthalpy of boiling): 128,9 kJ/mol
ΔH°298 (Standard molar enthalpy of reaction at 298 К): -226 (?) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -380,2 (?) kJ/mol
298 (standard molar entropy at 298 К): 238 (?) J/(mol•К)
p (standard molar heat capacity): 49 (?) J/(mol•К)
LD50 (median lethal doses for laboratory animals): 365 (?????, ?/?) mg/kg

LITERARY REFERENCES:
• ??????? ?????????? ????????: ?????????????? ?????????? ????????? I-IV ?????. ??????????. - ?.: ?????, 1988. – P. 47
• ?????????? ??????. - ?.3. - ?.-?.: ?????, 1965. – P. 295 299
• Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1 - New York: D. Van Nostrand Company, 1940. – P. 851-852
• ?????? ?.?. ? ??. ???????? ?????????????? ??????????. ??????????. - ?.: ?????, 1983. – P. 128-129
• ???????? ?.?. ?????? ????? ?????. - ?.2. - ?.: ?????, 1973. – P. 229
• ????????? ?.?., ????? ?.?. ??????? ?????????? ??????????. - ?.: ?????, 1977. – P. 68

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