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Hiđro Sunfua (H2S) - Coggle Diagram

- - - - Phương pháp khô: than hoạt tính, Fe2O3, ...
      - Phương pháp ướt: sục khí, NaOH,...
- - - - H2S + 2NAOH -> 2H2O + NA2S
      - H2S + NAOH -> H2O + NAHS
    - - VD: H2S + CuSO4 -> H2SO4 + CuS
  - - - VD: 2H2S (-2) + O2 -> 2H2O + 2S(0)
    - - VD: 2H2S(-2) + 3O2 ->(to) 2H2O + 2SO2(+4)
    - - VD: H2S (-2) + Br2 + H2O -> H2SO4(+6) + HBr