What is the oxidation number of sulfur in h2so3 July 8, 2019 16 32 64 128 What is the oxidation number of sulfur in the h2so3 molecule What is the oxidation number of the sulfur atom in h2so3 Oxidation number of sulfur in h2so4 H2s2o3 oxidation number What is oxidation number So3 + h20
