_______ called you just now, but he didn 发布时间:2017-06-17 04:03 │ 来源:www.tikuol.com 题型:选择题 问题: _______ called you just now, but he didn’t tell me his name. A. Somebody B. Anybody C. Nobody
题型:选择题 有4种混合溶液,分别由等体积0.1mol/L的2种溶液混合而成:①CH3COOK与HCl;②CH3COOK与KOH;③CH3COOK与KCl;④CH3COOK与KHC03下列各项排序正确的是( )A.c(CH3C00-):②>④>③>①B.c(CH3COOH):①>④>③>②C.pH:②>③>①>④D.溶液中C(H+):①>③>②>④ 查看答案