1. 4 Na+O2--->2 Na2O
2. Na2O+H2O--->2 NaOH
3. 2 Na+2 H2O--->2 NaOH+H2
A- Na, sód
B- Na2O, tlenek sodu
C- NaOH, wodorotlenek sodu
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1. 4 Na+O2--->2 Na2O
2. Na2O+H2O--->2 NaOH
3. 2 Na+2 H2O--->2 NaOH+H2
A- Na, sód
B- Na2O, tlenek sodu
C- NaOH, wodorotlenek sodu