21. Nuclear Chemistry
Rate of Radioactive Decay
5:47 minutes
Problem 70
Textbook Question
Textbook QuestionUranium-238 has a half-life of 4.47 * 109 years and decays through a series of events to yield lead-206. Estimate the age of a rock that contains 105 mmol of 238U and 33 mmol of 206Pb. Assume all the 206Pb is from the decay of 238U.
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