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
Answer = (7p) + (7q) + 63
Oof this one is hard I think it’s 20 mm but I’m not sure
Is there a answer for m what is m
