Chemistry, 02.06.2021 21:10 dargy

g a water sample is collected from a well and Radon-222 is found in the water. You measure 99.21875 mg of Polonium-218 to every 0.78125 mg of Radon-222. How long has the sample been contaminated for

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g a water sample is collected from a well and Radon-222 is found in the water. You measure 99.21875...

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