October 2018 2 17 Report

Ustal współczynniki stechiometryczne w równaniach reakcji chemicznych:

Ca+ C O2 --> CaO+ C

N2 +H2 ---> NH2

Mn +O2 --> Mn2O5

Al2O3 + H2SO4 --> Al2(SO4)3 + H2O

Fe2O3+ HCl ---> FeCl3 + H2O


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