Odpowiedź:
wzór tlenku sodu: Na2O
1 mol = 2*23g + 16= 62
124 : 62 = 2
124g tlenku sodu to 2 mole
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Odpowiedź:
wzór tlenku sodu: Na2O
1 mol = 2*23g + 16= 62
124 : 62 = 2
124g tlenku sodu to 2 mole