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Question

A zero-order reaction has a rate constant of 2.0 × 10⁻³ mol L⁻¹ s⁻¹. How long will it take for the concentration to decrease from 0.12 mol L⁻¹ to 0.03 mol L⁻¹?

Options

Choose one · Correct answer highlighted

Explanation

t = (0.12 − 0.03)/(2.0×10⁻³) = 45 s.