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Chemistry, 30.11.2020 21:10 jelani4brown
PLZ HELP
The table shows the amount of radioactive element remaining in a sample over a period of time.
Radioactive Decay Rate
Amount of Radioactive Sample
(grams) Time
(years)
45.0 0
31.8 11
22.5 22
15.9 33
11.3 44
Part 1: What is the half-life of the element? Explain how you determined this.
Part 2: How long would it take 308 g of the sample to decay to 4.8125 grams? Show your work or explain your answer.
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Answers: 1
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