The First-Order Decomposition of N₂O₅ at 328 K Has a Rate

question 24

Multiple Choice

The first-order decomposition of N₂O₅ at 328 K has a rate constant of 1.70 × 10^-3 s^-1. If the initial concentration of N₂O₅ is 2.88 mol L^-1, what is the concentration of N₂O₅ after 12.5 minutes?

• A) 0.124 mol L^-1
• B) 0.805 mol L^-1
• C) 2.82 mol L^-1
• D) 0.355 mol L^-1
• E) 0.174 mol L^-1