5 (S-IICN-III)- + 38 H3O+ + 16 MnVIIO4- 5 NVO3- + 16 (MnII)2+ + 5 SVIO42- + 5 CO2 + 57 H2O

This is an oxidation-reduction (redox) reaction:

16 MnVII + 80 e- 16 MnII (reduction)

5 S-II - 40 e- 5 SVI (oxidation)

5 N-III - 40 e- 5 NV (oxidation)

Change the oxidation states