Asked by Michelle

How many years will it take for 88g tritium to decay to an 11g sample?
Answered by DrBob222
k = 0.693/t<sub>1/2</sub>
Look up the value of half-life in your text or notes (or tables on the Internet).
Then ln(No/N) = kt
No = 88 g
N = 11 g
k = from above.
Solve for t.
Answered by Constance
Solve for t.
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