Zadanie 1
1) O2+4Na--->2Na2O synteza
2. 2H2O--->2H2+O2 analiza
3. 2Na+2H2O--->2NaOH+H2 wymiana
A- O2, tlen
B- Na, sód
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Zadanie 1
1) O2+4Na--->2Na2O synteza
2. 2H2O--->2H2+O2 analiza
3. 2Na+2H2O--->2NaOH+H2 wymiana
A- O2, tlen
B- Na, sód