Practice question
Question
A zero-order reaction has a rate constant of 4.0 × 10⁻³ mol L⁻¹ min⁻¹. If the initial concentration is 0.16 mol L⁻¹, how long will it take for 50% decomposition?
Explanation
t½ = [R]₀/(2k) = 0.16/(2×4.0×10⁻³) = 20 min.
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