At a certain temperature this reaction follows first-order kinetics with a rate constant of 1.40 s CICH,CH,C1 (g) → CH,CHCl (g)+HC1 (g) Suppose a vessel contains CICH₂CH₂Cl at a concentration of 1.47 M. Calculate the concentration of CICH₂CH₂Cl in the vessel 0.500 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. M

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