Question

铝三角 那一对反应那一对反应的化学方程式

Answer 1

2AL+2NaOH+2H20=2NaALO2+3H2

2AL+6H+ =2AL3+ +3H2

AL3+ +3OH- =AL(OH)3

Al(OH)3 + 3H+ = Al3+ + 3H2O

AL(OH)3+OH- =ALO2- +2H2O

3ALO2-+ AL3+ + 6H2O=4AL(OH)3

ALO2- +4H+ =AL3+ +2H2O