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最佳答案:OH- + H+ = H2OFe + Cu2+ = Cu + Fe2+Al3+ + 4 OH- = AlO2- + 2 H2O2 Na + 2 H2O = 2
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最佳答案:Ba(OH)2+SO2=BaSO3+H2O2SO2+Ca(OH)2=Ca(HSO3)22Fe+6H2SO4=Fe2(SO4)3+3SO2+6H2OFeS+H2S