The decomposition of N₂O₅ (g) to NO₂ (g) and O₂ (g) obeys first-order kinetics, where k=3.4 × 10⁻⁵ s⁻¹ at 25°C, what is the initial rate of reaction at 25°C where [N₂O a) 3.4 × 10⁻5 mol/Ls b) 1.7 × 10⁻5 mol/Ls c) 6.8 × 10⁻5 mol/Ls d) 8.5 × 10⁻5 mol/Ls