August 2018 2 10 Report
POMOCY!!!!!!!!!!!!!!!!!
Dobierz współczynniki w równaniach reakcji(wszystkie cyfry są u dołu)
K + S -> K2S
P+O2 -> P2O5
N2 + O2 -> NO2
Fe+S -> Fe2S3
MgO+ H2 -> Mg+ H2O
PbO2 +H2 -> Pb +CO
Cl2O -> Cl2 + O2
CU + Br2 -> CuBr
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