Practice question
Question
The decomposition of a reactant follows zero-order kinetics with a rate constant of 2.0 × 10⁻³ mol L⁻¹ s⁻¹. If the initial concentration is 0.1 mol L⁻¹, how long will it take for the concentration to decrease to 0.05 mol L⁻¹?
Explanation
t = 0.05/(2.0×10⁻³) = 25 s.