Răspuns :
2 moli......................102 g
2Al + 3/2O2 -> Al2O3
4 moli........................x
MAl2O3=102g/mol
x=4*102/2
x=272g Al2O3
2Al + 3/2O2 -> Al2O3
4 moli........................x
MAl2O3=102g/mol
x=4*102/2
x=272g Al2O3
2 moli......................102 g
2Al + 3/2O2 -> Al2O
4 moli........................x
MAl2O3=102g/mol
x=4*102/2
x=272g Al2O4
Sper ca este bine!
2Al + 3/2O2 -> Al2O
4 moli........................x
MAl2O3=102g/mol
x=4*102/2
x=272g Al2O4
Sper ca este bine!