Oxygen Family || Sulphur and its Compound

Oxygen Family Part-1

Oxygen Family Part-2

What is the maximum oxidation state of sulphur in its compounds ?

Oxygen Family, Physical Properties Compounds OF 16th Group, 1.Dioxygen(O2), 2. Ozone (O3)

Introduction OF Oxygen Family||Physical and Chemical Properties

Compounds of Sulphur and Properties || Sulphuric Acid and its Properties || Hydrogen Sulphide || Questions based on Oxygen Family

Ferric sulphate is used in water and sewage treatment and in removal of suspended impurities. Its empirical formula is Fe_(2)(SO_(4))_(3) . Calculate the mass percentage of iron, sulphur and oxygen in this compound.

Oxgen is divalent in its compounds, but sulphur is even hexavalent. Why?