高中化学必修之反应物足量与不足量的方程式

2+Ca2+2OH-=CaCo3↓+H2O

OH-+CO2=HCO

2+2OH-=SO +H2O

SO2+OH-=HSO

+Ca2++OH-=CaCO3↓+H2O

2HCO +Ca2++2OH-=CaCO3↓+2H2O+CO

2++OH-+H++SO = BaSO4↓+H2O

Ba2++2OH-+2H+SO =BaSO4↓+2H2O

-+Mg2++HCO =MgCO3↓+ H2O

2OH-+Mg2++2HCO =MgCO3↓+2H2O+CO

6. 2Al3++3SO 3Ba2++6OH-=2Al(OH)3↓+3BaSO4↓

Al3++2SO +2Ba2++4OH-=2BaSO4↓+AlO

7.H++NH +SO +Ba2++2OH-=NH3H2O+BaSO4↓+H2O

SO +2H++2OH-+Ba2+=BaSO4↓+2H2O

+OH-=SO +H2O

NH +HSO +2OH-=NH3H2O+H2O+SO

+OH-=CO +H2O

NH +HCO +2OH-=NH3H2O+H2O

10.H2S+2OH-=H2O+S2-

H2S+OH-+=H2O+HS-

++NH3H2O=AgOH↓+NH

Ag++NH3H2O=Ag(NH3)

12.S2-+2Fe3+=S↓+2Fe2+