August 2018 2 12 Report
Dobierz współczynniki stechiometryczne.

e). CaCO3 ---> CaO + CO2
f). Al2O3 + HBr---> AlBr3+H2O
g). Fe + HCl--->FeCl2+H2
h). Cr+H2S--->Cr2S3+H2
i).N2+O2--->NO
j).KClO3--->KCL+O2

Dam naj
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