Periodic table of elements

Sodium sulfate [Na2SO4]

SOLUBILITY:
1-butanol [C4H9OH]: insoluble
water [H2O]: 4,5 (0°), 9,6 (10°), 19,2 (20°), 27,9 (25°), 40,8 (30°), 49,8 (32°), 49,8 (38°), 48,4 (40°), 45,3 (60°), 43,3 (80°), 42,3 (100°)
glycerol [HOCH2CH(OH)CH2OH]: soluble
isobutanol [(CH3)2CHCH2OH]: insoluble
methanol [CH3OH]: 2,46 (20°), 2,32 (40°), 1,84 (50°)
formic acid [HCO2H] 95%: 16,5 (19°)
hydrogen peroxide [H2O2]: 26,7 (0°)
propanol [(CH3)2CHOH]: insoluble
ethanol [C2H5OH]: 0,44 (20°), 0,48 (40°)

PROPERTIES:
colourless rhombic crystals
M (molar mass): 142,040 g/mol
MP (melting point): 884 °C
D (density): 2,7 (20°, g/cm3, s.)
ΔHmelt (molar enthalpy of melting): 24,3 kJ/mol
ΔH°298 (Standard molar enthalpy of reaction at 298 К): -1070 (g) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -1266,8 (s) kJ/mol
298 (standard molar entropy at 298 К): 345 (g) J/(mol•К)
p (standard molar heat capacity): 105 (g) J/(mol•К)
Surf. tens. (surface tension): 195 (900°), 190 (950°), 188 (1000°), 185 (1080°) mN/m

LITERARY REFERENCES:
• Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1 - New York: D. Van Nostrand Company, 1940. – P. 1300-1315
• Efimov A.I. i dr. Svoystva neorganicheskih soedineniy. Spravochnik. - L.: Himiya, 1983. – P. 166-167
• Nekrasov B.V. Osnovy obschey himii. - T.1. - M.: Himiya, 1973. – P. 203-204
• Rabinovich V.A., Havin Z.Ya. Kratkiy himicheskiy spravochnik. - L.: Himiya, 1977. – P. 85

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