摘要:22.2 MnSO4+5K2S2O8 +8H2O = 2KMnO4+ 4K2SO4+8H2SO4 (2)MnSO4,KMnO4 (3)2 Mn2++5S2O82- +8H2O = 2MnO4- +10SO42-+16H+ (4)Cl2 (HClO 或 HClO3)

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