摘要:(1)2KClO3 2KCl+3O2↑,2Al+3CuOAl2O3+3Cu,4Al+3O22Al2O3, (2)5.4g,0.1mol, (3)Al3++3OH- = Al(OH)3↓,Al(OH)3+OH- = [Al(OH)4]-

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