October 2021 1 25 Report
В1. Процесс диссоциации хлорида кальция можно выразить уравнением 
1. CaCl2 ↔ Ca2+ + Cl - 
2. CaCl2 ↔ Ca2+ + 2Cl - 
3. CaCl2 ↔ Ca2+ + 2Cl -2 
4. CaCl2 ↔ Ca+ + 2Cl - 
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