少量:AlCl3 + 3 NaOH = Al(OH)3↓ + 3 NaCl
Al3+ + 3 OH- = Al(OH)3↓
过量:AlCl3 + 4 NaOH = NaAlO2 + 3 NaCl + 2 H2O
Al3+ + 4 OH- = NaAlO2 + 2 H2O
少量:AlCl3 + 3 NaOH = Al(OH)3↓ + 3 NaCl
Al3+ + 3 OH- = Al(OH)3↓
过量:AlCl3 + 4 NaOH = NaAlO2 + 3 NaCl + 2 H2O
Al3+ + 4 OH- = NaAlO2 + 2 H2O