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Properties of substance:
arsenious acid
Group of substances:
inorganic
Physical appearance:
aqueous solution
Empirical formula (Hill's system for organic substances):
H
3
AsO
3
Structural formula as text:
As(OH)3
Molar/atomic mass: 125.944
Dissociation:
pK
a
(1) = 9.2 (25°C, water)
pK
a
(2) = 13.77 (16°C, water)
References:
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 113
Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 55, 535 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru