Tritium, a Radioactive Isotope of Hydrogen, Has a Half-Life of 12.4

question 58

Multiple Choice

Tritium, a radioactive isotope of hydrogen, has a half-life of 12.4 years. Of an initial sample of 69 grams, how much will remain after 75 years?

• A)0.0000 grams
• B)61.5289 grams
• C)1.5848 grams
• D)17.2500 grams
• E)1.0426 grams

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