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Chemistry
Chemistry
Problem
For a radioactive sample observed for a duration equal to one mean life
(
1
/
λ
)
\bigl(1/\lambda\bigr)
(
1/
λ
)
, the fraction of the initial nuclei that will have decayed is closest to a)
50
%
50\%
50%
b)
63
%
63\%
63%
c)
69
%
69\%
69%
d)
37
%
37\%
37%
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