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The Isotope, Tritium, Has a Half-Life of 12

Question 42

Multiple Choice

The isotope, tritium, has a half-life of 12.3 years. Assume we have 10 kg of the substance. How much tritium will be left after 30 years?

A) 0.20 kg
B) 1.8 kg
C) 0.18 kg
D) 1.7 kg
E) 4.1 kg

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