Задача 60540.

For a biological study, a rabbit with food was given radioactive 24Na11, whose activity was 0.1 µCi. Determine the mass of the introduced radioactive element. The half-life of the 24Na11 isotope is T = 14.96 hours.

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
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