摘要:22. (1)H3O+ [H N H]+ Al3++3NH3·H2O = Al(OH)3↓+3NH4+ (4)NH4Al(SO4)2 (5)336
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下列物质:(1)H3O+ (2)[B(OH)4]- (3)CH3COO- (4)NH3 (5)CH4中存在配位键的是( )
A.(1) (2) B.(1) (3) C.(4) (5) D.(2)(4)
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