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Properties of substance:
calcium metaphosphate
Group of substances:
inorganic
Physical appearance:
colorless monoclinic crystals
Empirical formula (Hill's system for organic substances):
CaO
6
P
2
Structural formula as text:
Ca(PO3)2
Molar/atomic mass: 198.022
Melting point (°C):
984
Decomposition temperature (°C):
900
Solubility (g/100 g of solvent):
water
: insoluble [
Ref.
]
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-2462 (s)
Molar enthalpy (heat) of fusion Δ
fus
H (kJ/mol):
82.9
References:
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 140-141 [Russian]
Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 451 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru