Calculate the number of `H` atoms in `39.6g` of ammonium sulphate, `(NH_(4))_(2) SO_(4)`.

The molecular formula of ammonium sulphate is (NH_4)_2SO_4 : Calculate the number of molecules and atoms in 1.32g of ammonium sulphate.

Calculate the molecular weight of of following compound : ammonium sulphate (NH4)2SO4

Calculate the oxidation number of all the atoms in the following species. (NH_(4))_(2)SO_(4)

Calculate number of moles in 392 g of H_(2)SO_(4) ?

Calculate the percentage of platinum in ammonium chloroplatinate (NH_(4))_(2)PtCI_(6) (Give your answer correct to the nearest whole number). (Atomic masses: H = 1, N = 14, CI = 35.5, Pt = 195)

Calculate the relative molecular masses (or molecular weights), of the following compounds : Ammonium sulphate, (NH_(4))_(2)SO_(4)

Calculate the O.N. of all atoms in following compounds : - FeSO_(4).(NH_(4))_(2)SO_(4).6H_(2)O

Calculate the O.N. of all atoms in following compounds : - FeSO_(4).(NH_(4))_(2)SO_(4).6H_(2)O