SaltsImportant Compounds of Inorganic Formula of Alum (Ammonium)Expert Answer(NH4)2SO4⋅Al2(SO4)3⋅24H2O(NH_4)_2SO_4 \cdot Al_2(SO_4)_3 \cdot 24H_2O(NH4)2SO4⋅Al2(SO4)3⋅24H2O