摘要:(1) Al3+ +3OH- =Al(OH)3↓ Ba2++=BaSO4↓ Al(OH)3+OH- =+2H2O (2)如图 (3)① 1.5aM/N 2KaL(SO4)2+3Ba(OH)2 =2Al(OH)3↓+3BaSO4+K2SO4 ② 2aM/N KAl(SO4)2+2Ba(OH)2=KAlO2+2BaSO4+2H2O

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