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Please give me Answer fastly The decay scheme of Bi-212 is given below. A fresh sample of Bi-212 with an activity of 1 Ci is

Please give me Answer fastly

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The decay scheme of Bi-212 is given below. A fresh sample of Bi-212 with an activity of 1 Ci is brought to the lab. Estimate the amount of TI-208 in the sample 1 hour later from its delivery to the lab. Express your answer in nanograms (ng). You may assume that gamma decays occur instantaneously, as their half-lives are extremely small. 212 Bi 60.60 minutes B 36% 64% 209 212 493keV 0.3 microsec Y 328ke V Y 40ke V 3 minutes B 0 $ PD Stable

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