At a High Temperature,the First-Order Decomposition of N₂O₅(g)produces NO₂(g)and O₂(g)

At a high temperature,the first-order decomposition of N₂O₅(g) produces NO₂(g) and O₂(g) .If the initial concentration of 0.400 M N₂O₅(g) is reduced to 0.169 M after 118 seconds,what is the rate constant for the reaction?

A) 1.96 × 10−³ s−¹
B) 2.29 × 10−³ s−¹
C) 4.37 × 10−³ s−¹
D) 7.30 × 10−³ s−¹
E) 1.37 × 10² s−¹