diDNealiseca diDNealiseca

09-09-2016
Mathematics

Answered

how long will it take for a 40.0 gram sample of i-131 (half-life = 8.040 days) to decay to 1/100 its original mass?

Verified Answer :

Viktor326 Viktor326

09-09-2016

(1/2)^n=(1/100)
n=6.645

Time taken= nhalflife.
=6.6458.040days
=53.426days

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