1:1  01-05[化学]周老师教你分析图像，判断产物
推荐理由：本题重点考查复分解反应的实质，重点让同学们学会分析图象，判断产物，属于一道溶液综合性的题目，含金量较高。 讲解人：http://www.jiandan100.cn/teacher/3cdd11338c32452fb10ffaeed386604a/ ，北京市特级教师，多年来参与北京市高考模拟试卷的命题工作。 题面：已知反应CuCl2 + 2NaOH = Cu(OH)2↓+ 2NaCl。向一定量盐酸和氯化铜溶液的混合物中逐滴加入氢氧化钠溶液，产生沉淀的质量与加入氢氧化钠溶液的质量关系如图所示。下列说法正确的是（ ）  A．P点表示的溶液pH=7 B．M点表示的溶液中只含有一种溶质 C．从M点到N点溶液质量增加20 g D．P点表示的溶液比N点表示的溶液中氯化钠的质量分数小 【答案及详解】 本部分内容设定了隐藏,需要回复后才能看到
 跟帖分享你的答案，即可看到正确答案和解析！别忘了回帖后再点进来查看答案哦~
溶液中存在多种溶质的时候，先中和，后沉淀，你记住了吗？ ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 查看更多本年级每周一题，请点击：http://www.jiandan100.cn/bbs/upload/forumdisplay.php?fid=380& 浏览本期“简单学习电子周报”完整目录：http://www.jiandan100.cn/bbs/upload/viewthread.php?tid=658230 |
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