Допишіть продукти реакцій,поставте коефіцієнти: а)FeCl2+KOH=... б)AgNO3+KCl=...
в)Zn(NO3)2+NaOH=...
г)BaCO3=...+...
д)Fe+CuCl2=...
є)Na2SiO3+HCl=...
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