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Properties of substance:

manganese(II) sulfate heptaohydrate

Group of substances:

inorganic

Physical appearance:

rhombic crystals

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

H14MnO11S

Structural formula as text:

MnSO4 * 7H2O

Molar/atomic mass: 277.1

Decomposition temperature (°C):

280

Solubility (g/100 g of solvent):

ethanol: insoluble [Ref.]
water: very soluble [Ref.]

Density:

2.09 (20°C, g/cm3)

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

-3136 (s)

References:

  1. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 131 [Russian]
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 79 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru