Answer:
$0.65
Step-by-step explanation:
2.40-1.10=1.3
1.3/2=.65
0.65
first we have to find the bill while eliminating the price of the soda
↓↓↓↓
2.40-1.10=1.30
now we find the price of each candy bar (we know they must be the same price)
1.3/2=0.65
Each candy bar cost 0.65 cents
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
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