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Fe+4HNO3ï¼ç¨ï¼=Fe(NO3)3+NOâ+2H2O 2Fe(NO3)3+Fe=3Fe(NO3)2
3Fe+8HNO3ï¼ç¨ï¼=3Fe(NO3)2+2NOâ+4H2O
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Cu+4HNO3ï¼æµï¼=Cu(NO3)2+2NO2 â+2H2O 3Cu+8HNO3ï¼ç¨ï¼=3Cu(NO3)2+2NOâ+4H2O
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Zn+2H2SO4ï¼æµï¼=ZnSO4+SO2 â+2H2O Zn+H2SO4ï¼ç¨ï¼=ZnSO4+ H2 â
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6FeBr2+3Cl2=2FeCl3+4FeBr3 2FeBr3+3Cl2=2FeCl3+3Br2 2FeBr2+3Cl2=2FeCl3+2Br2
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FeI2+Cl2=FeCl2+I2 2FeCl2+Cl2=2FeCl3 2FeI2+3Cl2=2FeCl3 +2I2
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FeI2+Br2=FeBr2+I2 2FeBr2+Br2=2FeBr3 2FeI2+3Br2=2FeBr3+2I2
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K2S+I2=2KI+Sâ KI+ I2=KI3
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3S+6NaOHï¼æµï¼ 2Na2S+Na2SO3+3H2O Na2S+ï¼x-1ï¼S=Na2Sx
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Na2SO3+Cl2+H2O=2NaCl+H2SO4 H2SO4+ Na2SO3=Na2SO4+H2O+SO2 â
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Na2SO3+Br2+H2O=2NaBr+H2SO4 H2SO4+ Na2SO3=Na2SO4+H2O+SO2 â
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Na2SO3+I2+H2O=2NaI+H2SO4 H2SO4+ Na2SO3=Na2SO4+H2O+SO2 â
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Na2S+2FeCl3=2NaCl+2FeCl2+ Sâ Na2S+ FeCl2=2NaCl+FeSâ
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2Fe(OH)3+2HI=2Fe(OH)2+I2+2H2O Fe(OH)2+2HI=FeI2+2H2O
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Fe(OH)3ï¼è¶ä½ï¼+3æ»´HClâ红è¤è²æ²æ· Fe(OH)3+3HCl=FeCl3+3H2O
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è¶+3æ»´NaOHâç½è²æ²æ· SiO2 ��nH2O+2NaOH=Na2SiO3+(n+1)H2O
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AlCl3+3NaOH=Al(OH)3 â+3NaCl Al(OH)3+NaOH=NaAlO2+2H2O
AlCl3+4NaOH= NaAlO2+3NaCl+2H2O
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NaAlO2+H2O+HCl= Al(OH)3 â+NaCl Al(OH)3+ 3HCl= AlCl3 + 3H2O
NaAlO2+4HCl= AlCl3 +NaCl+ 2H2O
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2NaAlO2+3H2O+CO2= 2Al(OH)3 â+Na2CO3 Na2CO3+H2O+CO2=2NaHCO3
NaAlO2+2H2O+CO2= Al(OH)3 â+ NaHCO3
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2KAl(SO4)2+3Ba(OH)2=2Al(OH)3â+K2SO4+2BaSO4 â
2Al(OH)3 â+K2SO4+ Ba(OH)2=BaSO4 â+2KAlO2+4H2O
KAl(SO4)2+2Ba(OH)2= 2BaSO4 â+KAlO2+2H2O
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Ca(OH)2 +CO2=CaCO3 â+H2O CaCO3 +H2O +CO2=Ca(HCO3)2 Ca(OH)2 +2CO2= Ca(HCO3)2
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Ca(ClO)2+H2O +CO2=CaCO3 â+2HClO CaCO3 +H2O +CO2=Ca(HCO3)2
Ca(ClO)2+2H2O +2CO2= Ca(HCO3)2+2HClO
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Na2CO3+HCl=NaHCO3+NaCl NaHCO3+HCl=NaCl+H2O+CO2 â Na2CO3+2HCl=2NaCl+H2O+CO2 â
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Ba(OH)2+NaHCO3 =BaCO3 â+NaOH+H2O NaOH+ NaHCO3= Na2CO3+H2O
Ba(OH)2+2NaHCO3=BaCO3 â+Na2CO3+2H2O
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2NaHCO3+Ba(OH)2=BaCO3 â+Na2CO3+2H2O Na2CO3+Ba(OH)2= BaCO3 â+2NaOH
NaHCO3+Ba(OH)2==BaCO3 â+NaOH+H2O
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Ba(OH)2+NH4HCO3 =BaCO3 â+NH3 ��H2O+H2O NH3 ��H2O+ NH4HCO3 = (NH4)2CO3+H2O
Ba(OH)2+2NH4HCO3=(NH4)2CO3+ BaCO3 â+2H2O
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2NH4HCO3+ Ba(OH)2��=(NH4)2CO3+ BaCO3 â+2H2O (NH4)2CO3+ Ba(OH)2��=BaCO3 â+2 NH3 ��H2O
NH4HCO3+ Ba(OH)2��= BaCO3 â+NH3 ��H2O+H2O
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Ca(HCO3)2+NaOH=CaCO3 â+NaHCO3+H2O NaHCO3+ NaOH= Na2CO3+H2O
Ca(HCO3)2+2NaOH= CaCO3 â+Na2CO3+2H2O
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2NaOH+ Ca(HCO3)2=CaCO3 â+Na2CO3+2H2O Na2CO3+ Ca(HCO3)2= CaCO3 â+2NaHCO3
NaOH+ Ca(HCO3)2= CaCO3 â+NaHCO3+H2O
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Mg(HCO3)2+Ca(OH)2=MgCO3 â+CaCO3 â+2H2O MgCO3+Ca(OH)2= Mg(OH)2 â+CaCO3 â
Mg(HCO3)2+2Ca(OH)2=Mg(OH)2â+2CaCO3â+2H2O
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H3PO4+NaOH=NaH2PO4+H2O NaH2PO4+NaOH=Na2HPO4+H2O Na2HPO4+ NaOH=Na3PO4+H2O
H3PO4+2NaOH= Na2HPO4+2H2O H3PO4+3NaOH= Na3PO4+3H2O
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3NaOH+ H3PO4=Na3PO4+3H2O 2Na3PO4+ H3PO4=3Na2HPO4 Na2HPO4+ H3PO4= 2NaH2PO4
2NaOH+ H3PO4= Na2HPO4+2H2O NaOH+ H3PO4= NaH2PO4+H2O
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