The Graph Represents the First-Order Decomposition of N₂O₅(g)to Form NO₂(g)and

question 34

Multiple Choice

The graph represents the first-order decomposition of N₂O₅(g) to form NO₂(g) and O₂(g) .
N₂O₅(g) → 2NO₂(g) +1/2O₂(g)
What will be the N₂O₅ concentration after 7.0 hours?

• A)0.18 mol/L
• B)0.70 mol/L
• C)0.14 mol/L
• D)0.10 mol/L

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