What is the decay constant of this isotope

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Reference no: EM13270412

A drug prepared for a patient is tagged with 9943Tc, which has a half-life of 6.05 h.

A) What is the decay constant of this isotope?

B) How many 9943Tc nuclei are required to give an activity of 1.30?Ci ?

Reference no: EM13270412

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