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Properties of substance:
sodium iodide dihydrate
Group of substances:
inorganic
Physical appearance:
colorless trigonal crystals
Empirical formula (Hill's system for organic substances):
H
4
INaO
2
Structural formula as text:
NaI * 2H2O
Molar/atomic mass: 185.92
Decomposition temperature (°C):
68.9
Solubility (g/100 g of solvent):
acetone
: very soluble [
Ref.
]
ethanol
: very soluble [
Ref.
]
methanol
: very soluble [
Ref.
]
water
: very soluble [
Ref.
]
Density:
2.45 (21°C, g/cm
3
)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-884.9 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-747.7 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
115.5 (s)
References:
Волков А.И., Жарский И.М. Большой химический справочник. - Минск: Современная школа, 2005. - pp. 177 [Russian]
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