Определите степень окисления элементов в веществах 8.1.5. I2, KI, HIO, NaIO3, ICl3, IF7, CuI 8.1.6. KMnO4, K2MnO4, MnO2, Mn(OH)2, Mn3N2, MnSO4, K2SO3, H2S 8.1.7. Hg, Hg(NO3)2, HgCl2, Hg2Cl2, NaBiO3, BiONO3, Bi(OH)3 8.1.8. SnCl4, SnO2, Sn, Sn(NO3)2, Na2[Sn(OH)6], SnSO4, SnCl2 8.1.9. Cu, CuSO4, CuCl, CuO, K2[Cu(OH)4], Cu(NO3)2, Cu2(OH)2CO3 8.1.10. H2S, H2S2, S, SO2, H2SO4, Na2S2O3, Fe2(SO4)3 8.1.11. PH3, NaH2PO2, H3PO3, H3PO4, PCl5, POCl3, Ca3(PO4)2 8.1.12. CrCl3, Cr2(SO4)3, K2Cr2O7, K2CrO4, Cr(OH)3, Cr2O3 8.1.13. Au2O3, Au, AuCl3, Au(OH)3, H[AuCl4], Au2S3, H2S 8.1.14. AsCl3, H3AsO3, As2O5, H3AsO4, AsCl5, AsOCl3, CaHAsO4 8.1.15. CO, HClO2, CO2, HBrO, NaBr, Fe(NO3)3, Co(OH)3 8.1.16. NH2OH, N2O4, HNO3, N2O5, N2, AgNO3, NH4NO3 8.1.17. KNO2, NH4NO2, NO2, Cu(NO3)2, CuS, H2SO4, Na2O2 8.1.18. FeCl2, Fe2O3, K2FeO4, Pb(NO3)2, Pb(HSO4)2, PbO2, PbCl2 8.1.19. Zn, Zn(OH)2, Na2[Zn(OH)4], N2, Mg3N2, NaNO3, F