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Posted: **Fri May 06, 2022 7:00 am**

: Naturally Occurring 40k Is Listed As Responsible For 40 Mrem Y Of Background Radiation Calculate The Mass Of 40k In Gra 1 (20.78 KiB) Viewed 42 times

Naturally occurring 40K is listed as responsible for 40 mrem/y of background radiation. Calculate the mass of 40K in grams that must be inside the 54 kg body of a woman to produce this dose. Each 40K decay emits a 1.32 MeV B, and 59% of the energy is absorbed inside the body. g