那坡能够硫酸溶解在水中有什么现象?
来源:学生作业帮 编辑:搜狗做题网作业帮 分类:化学作业 时间:2024/06/23 20:45:39
那坡能够硫酸溶解在水中有什么现象?
关于溶液的化学知识``````````````````````````````````````````````````````````````````````````````````
错了``是浓硫酸 溶解在水中有什么现象 ``
关于溶液的化学知识``````````````````````````````````````````````````````````````````````````````````
错了``是浓硫酸 溶解在水中有什么现象 ``
![那坡能够硫酸溶解在水中有什么现象?](/uploads/image/z/4094584-16-4.jpg?t=%E9%82%A3%E5%9D%A1%E8%83%BD%E5%A4%9F%E7%A1%AB%E9%85%B8%E6%BA%B6%E8%A7%A3%E5%9C%A8%E6%B0%B4%E4%B8%AD%E6%9C%89%E4%BB%80%E4%B9%88%E7%8E%B0%E8%B1%A1%3F)
浓硫酸加入到水时,要慢慢的沿着玻璃棒流进去..因为浓H2SO4氧化性和吸水性都很强..所以一遇水就放热...这就是浓硫酸的稀释.
它溶解时会放出大量的热,如果倒得太快会弄的液滴飞溅,不一会水也变烫了.所以一定要用玻璃棒搅拌.以便散热.!
它溶解时会放出大量的热,如果倒得太快会弄的液滴飞溅,不一会水也变烫了.所以一定要用玻璃棒搅拌.以便散热.!