emmanning050 emmanning050

22-09-2020
Chemistry

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Uranium-238 had a half life of 4.5 billion years. A 100 g sample of U-238 has decayed until only 25 g remain. How long did it take for the sample to decay? (Write the answer in “n billion years”)

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jenkyakinola2 jenkyakinola2

22-09-2020

awnseris chemical hhhh Explanation:

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