Explain the radioactive isotope tritium decays

Reference no: EM13272120

The radioactive isotope tritium decays with a first-order rate constant k of 0.056 year-1. What fraction of the tritium initially in a sample is still present 30 years later?

A. 0.19
B. 0.60
C. 0.15
D. 2.8 x 10-38
E. none of the above

Reference no: EM13272120

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