摘要:8. (1)A1.Fe.Cu,Ag,Mg. (2)2K+2H2O=2KOH+H2↑ 2A1+2KOH+2H2O=2KAlO2+3H2↑ KOH+HCl= KCl+ H2O. KAlO2+HCl+ H2O=KCl+A1(OH)3↓ A1(OH)3+3HCl=A1C13+3H2O Fe+2HCl=FeCl2+H2↑ 3Cu+8HNO3=3Cu(NO3)2+2NO↑+4 H2O 3FeCl2+4 HNO3=2FeCl3+Fe(NO3)3+NO↑+2H2O

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