29.(10分)(1)(2分)⑤③①④②              

(2)(1分)⑤                

(3)(1分)碱式滴定管

          (4)(4分)2Al3+ + 3CO32 +3H2O = 2Al(OH)3 ↓+ 3CO2

                      Al3+ +3AlO2 +6H2O = 4Al(OH)3

  • 答案
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