Potassium sulphate: Potassium sulphate is a chemical compound with the chemical formula K2SO4, very common in the laboratory, formed of a sulphate ion and two potassium ions.
This anhydrous potassium sulphate, with a molar mass of 174,26 g/mol, exists more rarely in its natural state, known as arcanite by mineralogists. It nevertheless exists in three polymorphic forms, either rhombohedral, orthorhombic or hexagonal, with different physical properties. The description...
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