摘要: (1),水合氢离子,第3周期.ⅢA族. (2)Al3++3NH3∙H2O =Al(OH)3↓+3NH4+ Al(OH)3+OH― = AlO2―+2H2O (3)①NH4Al(SO4)2 = NH4++Al3++2SO42― ② a.c.b.e.d. ③150ml,46.6g,

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