131, (as Na/al, is uscólo - treat hypertyroid discaso. I decays to Xenon by first orderkinetics. The half-life of 131 is 8.0 days. If you are given 3 ng of Na 311, how many days will it take for 99.99% of it to decay, that is, for there to be only 0.003 ng left?

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131, (as Na/al, is uscólo - treat hypertyroid discaso. I
decays to Xenon by first orderkinetics. The half-life of
131 is 8.0 days. If you are given 3 ng of Na 311, how
many days will it take for 99.99% of it to decay, that is,
for there to be only 0.003 ng left?
Transcribed Image Text:131, (as Na/al, is uscólo - treat hypertyroid discaso. I decays to Xenon by first orderkinetics. The half-life of 131 is 8.0 days. If you are given 3 ng of Na 311, how many days will it take for 99.99% of it to decay, that is, for there to be only 0.003 ng left?
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