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  • 1 # 使用者8664657088100

    S

    3S+6OH-=2S2-++3H2O

    S2-+H2OHS-+OH-

    3S2-+2Al3++6H2O=2Al(OH)3↓+3H2S↑

    S2-+2Fe3+=2Fe2++S↓

    SO2+Ca2++2ClO-+H2O=CaSO4↓+HClO+H++Cl-(少量SO2)

    2SO2+Ca2++2ClO-+4H2O=CaSO4↓+2Cl-+4H++(足量SO2)

    SO2+2Fe3++2H2O=2Fe2+++4H+

    SO2+2=+CO2↑+H2O

    SO2+2OH-=+H2O

    SO2+OH-=

    SO2+Br2+2H2O=2Br-+2H++

    SO2+I2+2H2O=2I-+2H++

    SO2+H2O2=2H++

    3SO2+2+2H2O=3+2NO↑+4H+

    SO2+ClO-+H2O=2H++Cl-+

    SO2+2H2S=3S↓+2H2O

    SO2+H2OH2SO3

    5SO2+2+2H2O=2Mn2++5+4H+

    +2H+=SO2↑+H2O

    +H2O+OH-

    +Ba2+=BaSO4↓

    +2H++Ba2++2OH-=BaSO4↓+2H2O(NaHSO4溶液中加Ba(OH)2,使溶液呈中性)

    +H++Ba2++OH-=BaSO4↓+H2O(NaHSO4溶液中加Ba(OH)2,使Ba2+全部沉澱)

    +2H+=S↓+SO2↑+H2O

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