Срочно! Подберите пропущенные коэффициенты:
Fe+3CL2=>FeCL3
Cu+O2=>CuO
SO2+O2=>SO3
C2H2+O2=>CO2+2H2O
Zn+HCL=> H2+ ZnCl2
2Na+H2O=> H2 + NaOH
Fe+H2O=>H2+Fe2O3
Fe+H2O=>H2 + H2+FE2O3
Fe+H2O => H2+ FeO
Fe+3CL2=>FeCL3
Cu+O2=>CuO
SO2+O2=>SO3
C2H2+O2=>CO2+2H2O
Zn+HCL=> H2+ ZnCl2
2Na+H2O=> H2 + NaOH
Fe+H2O=>H2+Fe2O3
Fe+H2O=>H2 + H2+FE2O3
Fe+H2O => H2+ FeO
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