2Al+6H2O=2Al(OH)3+3H2↑(强碱环境下) Al(OH)3=HAlO2+H2O HAlO2+NaOH=NaAlO2+H2O
总反应方程式(理论式):2Al+NaOH+6H2O=2NaAlO2+4H2O+3H2↑
化简式(高中课本所要求掌握的): 2Al+2NaOH+2H2O=2NaAlO2+3H2↑
2Al+2NaOH+2H2O=2NaAlO2+3H2(气体符号)
2nAl+2M(OH)n+2nH2O=2M(AlO2)n+3nH2
2Al +2H2O+2NaOH===2NaAlO2+3H2