Kemi

Jern(II)sulfat og 7 vand-molekyler?

16. december 2018 af hejmedjer1239 - Niveau: C-niveau

"Jern(II)sulfat vil dog binde 7 vand-molekyler, når det danner sit iongitter" Hvordan skal det her forståes? Hvor kommer der her h2o fra og hvordan kan det være i et iongitter? 


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Svar #1
02. februar 2019 af Bekilo


Contents
Production Edit

Generally, ferric sulfate is used as a solution generated from iron wastes. The actual speciation is vague but its applications do not demand high purity materials.

Iron(III) sulfate is often generated as a solution rather than being isolated as a solid. It is produced on a large scale by treating sulfuric acid, a hot solution of ferrous sulfate, and an oxidizing agent. Typical oxidizing agents include chlorine, nitric acid and hydrogen peroxide.[4]

2 FeSO4 + H2SO4 + H2O2 ? Fe2(SO4)3 + 2 H2O

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