At a certain temperature the rate of this reaction is first order in HI with a rate constant of 0.0104 s¹: 2 HI(g) → H₂(g) + 1₂ (8) Suppose a vessel contains HI at a concentration of 1.42 M. Calculate the concentration of HI in the vessel 96.0 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits.

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