October 2018 1 120 Report

Dobierz współczynniki metodą bilansu do reakcji. Wskaż utleniacz, reduktor:

1) FeCl2 + 2NaOH --> 2NaCl + Fe(OH)2

2) 4Fe(OH)2 + O2 + 2H2O ---> 4Fe(OH)3

3) FeCl3 + 3 NaOH ---> Fe(OH)3 + 3NaCl

4) FeO + H2O ----->

5) Fe2O3 + H20 ----->


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