Question

Gallium-67$$\left(t_{1 / 2}=78.25 \text { hours }\right)$$ is used in the medical diagnosis of certain kinds of tumors. If you ingest a compound containing 0.015 mg of this isotope, what mass (in milligrams) remains in your body after 13 days? (Assume none is excreted.)

          Gallium-67$$\left(t_{1 / 2}=78.25 \text { hours }\right)$$ is used in the medical diagnosis of certain kinds of tumors. If you ingest a compound containing 0.015 mg of this isotope, what mass (in milligrams) remains in your body after 13 days? (Assume none is excreted.)

Added by Jesus M.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Sima Sarker

11/17/2021

Step 1

Given that 1 day = 24 hours, so 13 days = 13 * 24 = 312 hours. Show more…

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Gallium-67$$\left(t_{1 / 2}=78.25 \text { hours }\right)$$ is used in the medical diagnosis of certain kinds of tumors. If you ingest a compound containing 0.015 mg of this isotope, what mass (in milligrams) remains in your body after 13 days? (Assume none is excreted.)