Answer:
i dont understand sir sorry
On the right side, there are
• 2•2 = 4 atoms of Nb
• 2•5 = 10 atoms of O
so among the reactants on the left, the reaction is balanced as
4 Nb + 5 O₂ → 2 Nb₂O₅
•.,¸¸,.•´¯ ' ¯´•.,¸¸,.•`
: 5 !!! !
