Расставьте коэффициенты, укажите тип реакции. 1) Li+H2=LiH 2) CaCO3=CaO+CO2 3) Cl2O7+H2O=HCIO4 4) NaNO3=NaNO2+O2 5) K+H2O=KOH+H2
Помогите пж, заранее спасибо​
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