Запишите уравнения реакции, необходимых для осуществления следующих превращений: а) CuSO2 -> Cu(OH)2 -> CuO -> Cu; б)Fe -> FrCL2 -> Fe(NO3)2 -> Fe(OH)2 -> FeO -> Fe; в)Fe -> FeCL3 -> Fe(OH)3 -> Fe2O3 -> Fe -> FeSO4; г)P -> P2O5 -> H3PO4 -> Ca3(PO4)2; д)S -> SO2 -> SO3 -> H2SO4 -> Na2SO4; е)C -> CO2 -> CaCO3 -> CaO -> Ca(OH)2 -> Ca(HCO3)2; ж) CaCo3 -> Ca(HCO3)2 -> CaCO3 -> CO2 -> CaCO3; з)Na -> NaH -> NaOH -> NaNO3; и) (CuOH)2CO3 -> CuO -> CuSO4 -> Cu(OH)2 -> CuO -> Cu.
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