Homework Answers
we have:
[HI]o = 300 mmol / 4.0 L
= 0.300 mol / 4.0 L
= 7.5*10^-2 M
[HI] = 150 mmol / 4.0 L
= 0.150 mol / 4.0 L
= 3.75*10^-2 M
k = 5.7*10^-3 M/s
use integrated rate law for 0 order reaction
[HI] = [HI]o - k*t
3.75*10^-2 = 7.5*10^-2 - 5.7*10^-3* t
t = 6.579 s
Answer: 6.6 s
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