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15 May, 12:19

If the decomposition of hydrogen peroxide is a first order reaction and it takes 20.0 minutes for the initial concentration to fall from 1.6M to 0.80M, how much time has passed when only 0.050M remain

a) 80 min

b) 120 min

c) 100 min

d) 40 min

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Answers (1)
  1. 15 May, 12:49
    0
    The answer should be d/40min
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