![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
为使锅垢中难溶于酸的CaSO4转化为易溶于酸的CaCO3,常用Na2CO3处理,反应式为 CaSO4+ CO32 -
CaCO3+SO42-,此反应的标准平衡常数为 ()
A.KspΘ(CaSO4 ) / KspΘ(CaCO3 )
B.KspΘ(CaCO4 ) / KspΘ(CaSO4 )
C.KspΘ(CaSO4 )KspΘ(CaCO3 )
D.2KspΘ(CaSO4 )/ KspΘ(CaCO3 )
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_q_ckda.png)
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_q_wyda.png)
- · 有8位网友选择 C,占比80%
- · 有1位网友选择 B,占比10%
- · 有1位网友选择 A,占比10%