Oblicz ile gramów tlenku magnezu można otrzymac w wyniku spalenia 3g.magnezu
2Mg+O2-->2MgO
3g-----------xg
48g---------80g
xg=3*80g/48g
xg=5g
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2Mg+O2-->2MgO
3g-----------xg
48g---------80g
xg=3*80g/48g
xg=5g