1.

A sample of {:(131),( 53):} I, as iodine ion, was administered to a patient in a carrier consisting of 0.10 mg of stable iodide ion. After 4.00 days, 67.7% of the initial radioactivity was detected in the thyroid gland of the patient. What mass of the stable iodide ion had migrated to the thyroid gland ? (t_(1 //2= 8 days.)

Answer»

`65.8%`
`95.7%`
`85.8%`
`75.8%`

ANSWER :B


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