: Chia dung dịch X gồm: Cu2+, Ca2+
, NO3- (0,6 mol) và Cl-thành 2 phần bằng nhau
- Cho phần 1...
![Biology](/tpl/images/cats/biologiya.png)
: Chia dung dịch X gồm: Cu2+, Ca2+
, NO3- (0,6 mol) và Cl-thành 2 phần bằng nhau
- Cho phần 1 tác dụng với dung dịch KOH dư thì thu được 9,8 gam kết tủa.
- Cho phần 2 tác dụng với dung dịch K2CO3 dư thì thu được 27,4 gam hỗn hợp
kết tủa .
Tính số mol của các ion còn lại trong X.
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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