saplinglearning.com University of Kentucky-CHEM 107-Summer15-BLUE: HW 19 8/4/201

Question

saplinglearning.com University of Kentucky-CHEM 107-Summer15-BLUE: HW 19 8/4/2015 11:55 PM 73.8/100 Print Calculator Periodic Table uestion 16 of 18 sapling leaming Gold-198 has a half-life of 2.7 days. How much of a 880.0 mg gold-198 sample will remain after 13.5 days? Number mg O Previous Give Up & View Souton Check Answer 0 Next Eut The haif-life of a radioactive nuclide is the time required for haif the original sample to undergo radioactive decay. he ms of usel cotact us careers | partners | priacy polcyj about us c.-152 3

Explanation / Answer

(880 mg) x (1/2)^(13.5 / 2.7) = 27.5 mg

27.5mg   gold sample remain after 13.5 days.

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