Periodic table of elements

Sodium carbonate [Na2CO3]

SOLUBILITY:
acetone [(CH3)2CO]: ?.?.
water [H2O]: 7 (0), 12,2 (10), 21,8 (20), 29,4 (25), 39,7 (30), 48,8 (40), 47,3 (50), 46,4 (60), 45,1 (80), 44,7 (100), 42,7 (120), 39,3 (140)
glycerol [HOCH2CH(OH)CH2OH]: 98,3 (15)
propanol [(CH3)2CHOH] 50%: 1,2 (20)
carbon disulfide [CS2]: ?.?.
ethanol [C2H5OH] 40%: 2,15 (29,7)
ethanol [C2H5OH] 50%: 0,84 (20)
ethanol [C2H5OH] 95%: 0,03 (30)

PROPERTIES:
colourless monoclinic crystals
M (molar mass): 105,990 g/mol
MP (melting point): 852 °C
D (density): 2,53 (20, ?/??3, ?.)
η (dynamic viscosity): 3,4 (887), 2,32 (927), 1,63 (967) mPa∙s
ΔHmelt (molar enthalpy of melting): 28 kJ/mol
ΔH°298 (Standard molar enthalpy of reaction at 298 К): -1131 (?) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -1047,5 (?) kJ/mol
298 (standard molar entropy at 298 К): 136,4 (?) J/(mol•К)
p (standard molar heat capacity): 109,2 (?) J/(mol•К)
Surf. tens. (surface tension): 211 (870), 209,6 (900), 207,1 (950), 204,6 (1000) mN/m
LD50 (median lethal doses for laboratory animals): 4200 (?????, ?/?), 2210 (????, ?/?) mg/kg

LITERARY REFERENCES:
• ??????? ???????? ? ??????????????: ?????????? ??? ???????, ????????? ? ??????. - 7-? ???., ?.3. - ?.: ?????, 1976. – P. 325-326
• ??????? ?????????? ????????: ?????????????? ?????????? ????????? I-IV ?????. ??????????. - ?.: ?????, 1988. – P. 36
• ?????????? ??????. - ?.2. - ?.-?.: ?????, 1964. – P. 144-145
• ?????????? ????????????????? ???????. - ??? ???. ??????? ?.?. - ?.: ?????????? ????????????, 1983. – P. 363
• Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1 - New York: D. Van Nostrand Company, 1940. – P. 1193-1214
• ?????? ?.?. ? ??. ???????? ?????????????? ??????????. ??????????. - ?.: ?????, 1983. – P. 164-165
• ????????? ?.?., ????? ?.?. ??????? ?????????? ??????????. - ?.: ?????, 1977. – P. 84

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