Chinese Life Q&A

铝三角的离子方程式的具体化学方程式

铝三角示意图:

铝三角有关的化学方程式和离子方程式:

① 
AlCl3+3NaOH==Al(OH)3↓+3NaCl     
Al3++3OH-==Al(OH)3↓ 
Al2(SO4)3+6NH3·H2O==2Al(OH)3↓+3(NH4)2SO4    
Al3++3NH3·H2O==Al(OH)3↓+3NH4+ 
② Al(OH)3+NaOH==NaAlO2+2H2O      
Al(OH)3+OH-==AlO2-+2H2O
 ③ AlCl3+4NaOH==NaAlO2+3NaCl+2H2O 
Al3++4OH-==AlO2-+2H2O
 ④ NaAlO2+HCl+H2O==Al(OH)3↓+NaCl 
AlO2-+H++H2O==Al(OH)3↓ 
NaAlO2+CO2(足量)+2H2O==Al(OH)3↓+NaHCO3 
AlO2-+CO2+2H2O==Al(OH)3↓+HCO3- 
2NaAlO2+CO2(不足)+3H2O==2Al(OH)3↓+Na2CO3 
2AlO2-+CO2+3H2O==2Al(OH)3↓+CO32- 
⑤ Al(OH)3+3HCl==AlCl3+3H2O 
Al(OH)3+3H+==Al3++3H2O 
⑥ NaAlO2+4HCl==AlCl3+NaCl+2H2O 
AlO2-+4H+==Al3++2H2O

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Article Title.铝三角的离子方程式的具体化学方程式The
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