为什么碳酸氢钠与盐酸反应比碳酸钠与盐酸剧烈得多
人气：268 ℃ 时间：2019-08-19 03:10:11
解答
因为碳酸钠与盐酸反应其实是分两步进行：
（1）Na2CO3+HCl=NaHCO3+NaCl
(2)NaHCO3+HCl=NaCl+H2O+CO2
而碳酸氢钠只经过最后一步就有气体放出
所以碳酸氢钠与盐酸反应比碳酸钠与盐酸剧烈得多
推荐
猜你喜欢
- Why don`t you talk to her about it 同义句__ __ talking to him about it?
- 坚持做一件事情就会成功,这句用一个四字成语概括
- 两捆电话线的长度相等,如果第一捆剪去20米,第二捆剪去4米,那么第二捆剩下的长度正好是第一捆余下长度的3
- You're shorter than me的问句 My legs are longer than yours的问句 She is 2years younger than you
- 已知三角形ABC中,A(2,-1),B(3,2),C(-3,-1),BC边上高为AD,求向量AD及D点坐标
- My father will come back in a week .同义句转换（ )( )a week ()my father comes back.
- I don't regret the things I've done,I regret the things I didn't do when I had the chance.不为做过
- 例句：书似阶梯,开启心灵之门；书似灯塔,照亮前行之路.仿句：(>_
