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Properties of substance:
potassium molybdate
Group of substances:
inorganic
Physical appearance:
colorless monoclinic crystals
Empirical formula (Hill's system for organic substances):
K
2
MoO
4
Structural formula as text:
K2MoO4
Molar/atomic mass: 238.134
Melting point (°C):
926
Decomposition temperature (°C):
1400
Solubility (g/100 g of solvent):
ethanol
: insoluble [
Ref.
]
water
: 179.49 (9°C) [
Ref.
]
water
: 182.25 (25°C) [
Ref.
]
water
: 188.18 (52.88°C) [
Ref.
]
water
: 198.86 (89.96°C) [
Ref.
]
water
: 208.64 (119°C) [
Ref.
]
Density:
2.91 (25°C, g/cm
3
)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-1498 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-1381 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
176 (s)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
39
References:
CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-83
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 830
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 128-129 [Russian]
Каров З.Г., Мохосоев М.В. Растворимость и свойства растворов соединений молибдена и вольфрама. - Новосибирск: ВО Наука, 1993. - pp. 64-70 [Russian]
Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 480 [Russian]
Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 125 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru