摘要:18.下列离子方程式正确的是 ( ) A.CH3COOH+H2OCH3COO-+H3O+ B.HS-+H2O === H2S+H3O+ C.CO32-+2H2OH2CO3+2OH- D.Al3++3H2O===Al(OH)3↓+3H+

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