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Properties of substance:
sodium carbonate decahydrate
Group of substances:
inorganic
Physical appearance:
colorless monoclinic crystals
Empirical formula (Hill's system for organic substances):
CH
2
0
Na
2
O
1
3
Structural formula as text:
Na2CO3 * 10H2O
Molar/atomic mass: 286.14
Melting point (°C):
32.5
Solubility (g/100 g of solvent):
ethanol
: insoluble [
Ref.
]
water
: 50 (20°C) [
Ref.
]
Density:
1.446 (17°C, g/cm
3
)
Standard molar enthalpy (heat) of formation Δ
f
H (298 K, kJ/mol)
-4080 (s) [
Ref.
]
Standard molar Gibbs energy of formation Δ
f
G (298 K, kJ/mol)
-3424 (s) [
Ref.
]
Standard molar entropy S (298 K, J/(mol·K))
564 (s) [
Ref.
]
Molar heat capacity at constant pressure C
p
(298 K, J/(mol·K))
550 (s) [
Ref.
]
References:
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 84 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru