February 2019 0 12 Report
Dopisz wspolczynnik stehiometryczne w podanych reakcjach.

4Cu+O2-->2Cu2O
2k+Cl2-->2KCl
2Cu+C-->2Cu+CO2
2N2O-->2N2+O2
N2O3+H2o-->HNO2
Fe2O3+H2-->Fe+h2O
SO2+O2-->SO3
NH3+O2-->N2+h2O
CO+O2-->CO2
CU2O+C-->Cu+CO2
Na2O-->HCl-->NaCl+H2O
HgO-->Hg+O2
K+CuSO4-->Cu+K2SO4
Al2O3+HBr-->AlBr3+H2O

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