加少量氢氧化钠固体
| 不填
| 不填
| ?
(2)在一定温度下，冰醋酸加水稀释过中溶液的导电能力如下图所示，请回答：
![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/csq51radfn5.jpg\" style=\"vertical-align:middle;\">
①写出醋酸的电离方程式________________。
②a、b、c三点溶液中氢离子浓度由小到大的顺序为__________________ 。
③a、b、c三点中醋酸的电离程度最大的是????????。
④取甲、乙两份等体积c点的溶液，甲用蒸馏水稀释10倍，，乙用蒸馏水稀释100倍，则稀释后甲、乙两溶液中的H+浓度：C(H+)甲_____ 10C(H+)乙（填“大于”、“小于”或 “等于”）,
4、选择题 常温下，下列各组离子在指定溶液中一定能大量共存的是
A．![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/a2rps2d3w1b.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/4qbdql4bfyr.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/qve5ptjebqn.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/43nv000e4rr.png\" style=\"vertical-align:middle;\">
B．![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/n5a4d1dduzc.png\" style=\"vertical-align:middle;\">的溶液：![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/qqqb4hcky0p.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/4qbdql4bfyr.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/j2m3dd5s4dl.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/43nv000e4rr.png\" style=\"vertical-align:middle;\">
C．![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/4p4lgod30ph.png\" style=\"vertical-align:middle;\">的溶液：![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/qqqb4hcky0p.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/hfikitxhklj.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/zv02ir3vqyx.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/1re0xwuwbhd.png\" style=\"vertical-align:middle;\">
D．与铝反应产生大量氢气的溶液：![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/w54elbtx4r4.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/4qbdql4bfyr.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/x1vfsy2qlb0.png\" style=\"vertical-align:middle;\">、![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/43nv000e4rr.png\" style=\"vertical-align:middle;\">
5、选择题 某溶液中存在较多的OH—、K+、CO32—，该溶液中还可能大量存在的是
A．H+
B．Ca2+
C．NH4+
D．SO42—
|
