Odpowiedź:
224g 320g
4Fe + 3O2 ---> 2Fe2O3
xg 30g
x = 224*30 / 320 = 21g Fe2O3
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Odpowiedź:
224g 320g
4Fe + 3O2 ---> 2Fe2O3
xg 30g
x = 224*30 / 320 = 21g Fe2O3