A solution of sodium iodide containing iodine-131 was given to a patient to test for malfunctioning of
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A solution of sodium iodide containing iodine-131 was given to a patient to test for malfunctioning of the thyroid gland. What fraction of the iodine-131 nuclei would remain undecayed after 5.0 d? If a sample contains 2.5 μg of 131I, how many micrograms remain after 5.0 d? The half-life of I-131 is 8.07 d.
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