September 2018 2 135 Report

6. W równaniu: x Fe + y O2 → z Fe2O3 współczynniki stechiometryczne przyjmują wartości:

a) x = 2, y = 1, z = 2;

b) x = 4, y = 3, z = 2;

c) x = 3, y = 2, z = 3;

d) x = 1, y = 1, z = 1.


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