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+1 vote
73.8k views
in Chemistry by (61.9k points)

Half-life for a first order reaction is 693 s. Calculate the time required for 90% completion of this reaction.

1 Answer

+2 votes
by (34.7k points)
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Best answer

t1/2 = 0.693/k

k = 0.693/693 s

= 0.001 s-1 

k = 2303 s-1 

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