Question

what is the chemical name and chemical formula of alum

Answer 1

The most important alums are potassium aluminum sulfate,ammonium aluminum sulfate, and sodium aluminum sulfate. Potassium aluminum sulfate, also known as potassium alum or potash alum, has a molecular formula of K2(SO4) Al2(SO4) 24H2O or KAl(SO4)

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Answer 2

Its chemical formula is KAl(SO4)2 and it is commonly found in its dodecahydrate form as KAl(SO4) 12H2O. Alum is the common name for this chemical compound, given the nomenclature of potassium aluminumsulfate dodecahydrate.
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