Question

A device used in radiation therapy for cancer contains 8.30×10-1 g of cobalt 2760Co (59.9333819 u)....

A device used in radiation therapy for cancer contains 8.30×10-1 g of cobalt 2760Co (59.9333819 u). The half-life of 2760Co is 4.59 yr. Determine the activity of the radioactive material.

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Answer #1

here i put mass number of Co is 60 as it is not given

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