February 2023 1 20 Report
Допишіть рівняння, розставте коефіціенти
1)NaСІ +АgN03 →

2)СuS04 + FеСl3 →

3)Н2SO4 +КОН →

4)2КОН +CuS04 →

5)HCl + Na2S →
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