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
58.3 I think....hope it helps
Answer:
9
Step-by-step explanation:
56 + 32 = (8 x 7) + (8 x 4) = 8(7 + 4) (Answer C)