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Properties of substance:

sodium hydrogen sulfate monohydrate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

Empirical formula (Hill's system for organic substances):

H3NaO5S

Structural formula as text:

NaHSO4 * H2O

Molar/atomic mass: 138.076

Melting point (°C):

58.5

Solubility (g/100 g of solvent):

water: very soluble [Ref.]

Hygroscopic:

yes

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-1420 (s)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

170 (s)

References:

  1. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 166-167 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru