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One of the many isotopes used in cancer treatment is gold 19879Au, with a half-life of...

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Physics

One of the many isotopes used in cancertreatment is gold 19879Au, with a half-life of 2.70 days.Determine the mass of this isotope that is required for an activityof 200 Ci.


I got an answer of 30.99g but this waswrong.

Answer & Explanation Solved by verified expert
4.1 Ratings (728 Votes)
the following soultion is for 290 Ci if you didnt get any other response kindly rate it Radioactive decay equation y number of isotopes left A initial number of isotopes decay constant yt Aet By deriving that previous    See Answer
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