Question

Prosze o pomoc w 2 zadaniach

Answer 1

Zadanie 3

2 mol 1 mol

2Mg+O2--->2MgO

10 mol x mol

2 mol---1 mol

10 mol---x mol

x=5 mol

Zadanie 4

4 mol 3 mol

4Al+3O2--->2Al2O3

x mol  20 mol

4 mol---3 mol

x mol---20 mol

x=26,67 mol