2009 National Question 5 Single-choice Differentiating 2009_quanguo_old_ii 5.(3分)现有等浓度的下列溶液:①醋酸,②苯酚,③苯酚钠,④碳酸,⑤ 碳酸钠,⑥碳酸氢钠.按溶液pH由小到大排列正确的是( ) A. ①④②③⑥⑤B. ④①②⑥⑤③C. ①④②⑥③⑤D. ④①②③⑥⑤ Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →