Periodic table of elements

Potassium fluoride [KF]

SOLUBILITY:
acetone [(CH3)2CO]: 0,000022 (18°)
water [H2O]: 44,7 (0°), 53,5 (10°), 94,9 (20°), 108 (30°), 142 (60°), 150 (90°)
sulfur dioxide [SO2]: 0,018 (0°)
methanol [CH3OH]: 0,192 (20°), 0,092 (55°)
bromine trifluoride [BrF3]: 4,96 (25°), 5,69 (70°)
ethanol [C2H5OH]: 0,106 (20°), 0,096 (30°)

PROPERTIES:
colourless cubic crystals
M (molar mass): 58,100 g/mol
MP (melting point): 857 °C
BP (boiling point): 1500 °C
D (density): 2,5 (20°, g/cm3, s.)
ΔHmelt (molar enthalpy of melting): 28,5 kJ/mol
ΔHboil (molar enthalpy of boiling): 172,8 kJ/mol
ΔH°298 (Standard molar enthalpy of reaction at 298 К): -567,4 (s) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -537,7 (s) kJ/mol
298 (standard molar entropy at 298 К): 66,6 (s) J/(mol•К)
p (standard molar heat capacity): 49,32 (s) J/(mol•К)
Dip (dipole moment): 7,33 (20°) debye
LD50 (median lethal doses for laboratory animals): 245 (rats, i/g) mg/kg

LITERARY REFERENCES:
• Vrednye himicheskie veschestva: Neorganicheskie soedineniya elementov I-IV grupp. Spravochnik. - L.: Himiya, 1988. – P. 47
• Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1 - New York: D. Van Nostrand Company, 1940. – P. 804-808
• Rabinovich V.A., Havin Z.Ya. Kratkiy himicheskiy spravochnik. - L.: Himiya, 1977. – P. 70

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