【高考一轮】高考必考的离子方程式的书写
55.2Fe3++Cu=2Fe2++Cu2+
56.Fe3++3NH3.H2O=Fe(OH)3↓+3NH4+
57.Mg(OH)2+2H+=Mg2++2H2O
58.CO32-+CO2+H2O=2HCO3-
59.FeS+2H+=Fe2++H2S↑
60.2OH-+CO2=CO3-+H2O OH-+CO2=HCO3-
61.FeS+4H++NO3-=Fe3++S↓+NO↑+2H2O
62.S2-+H2O≒HS-+OH-
63.Cu2++H2S=CuS↓+2H+
64.CH3COO-+H+=CH3COOH
65.CH3COO-+H2O≒CH3COOH+OH-
66.C6H5O- +HAc=C6H5OH+Ac-
67.HCOO-+H+=HCOOH
68.2Ac-+2H++ Ba2++SO42-=BaSO4↓+2HAc
69.CaCO3+2H+=Ca2++CO2↑+H2O
70.ClO-+SO2+H2O=SO42-+Cl-+2H+
71.Al3++3AlO2-+6H2O=4Al(OH)3↓
72.MnO2+4H++2I-=Mn2++I2+2H2O
73.2MnO4-+5NO2-+6H+=2Mn2++5NO3-+3H2O
74.Ba2++SO42-=BaSO4↓
75.Cu2++CO32-=CuCO3↓
76.Cu2++2OH-=Cu(OH)2 ↓
77.Cu2++SO42-+Ba2++2OH-=BaSO4↓+Cu(OH)2↓
78.Cu+H2O2+2H+=Cu2++2H2O
79.MnO2+H2O2+2H+=Mn2++O2↑+2H2O
80.3Ba2++3SO2+2H2O+2NO3-=3BaSO4↓+2NO↑+4H+
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