The half-life of is 2.6 years. How much will be left of a
Chapter 30, Problem 30ED(choose chapter or problem)
The half-life of \({ }_{11}^{22} \mathrm{Na}\) is years. How much
\({ }_{11}^{22} \mathrm{Na}\) will be left of a pure \(1.0-\mu g\) sample after yr?
(a) None.
(b) \(\frac{1}{8} \mu g\)
(c) \(\frac{1}{4} \mu g\)
(d) \(\frac{1}{2} \mu g\)
(e) \(0.693 \mu g\)
Equation Transcription:
Text Transcription:
11 ^ 22 Na
11 ^ 22 Na
1.0-\mu g
\frac{1}{8} \mu g
\frac{1}{4} \mu g
\frac{1}{2} \mu g
0.693 \mu g
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