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Question
(a) Neutron activation of sodium, which is 100% ${}^{23}\textrm{Na}$, produces ${}^{24}\textrm{Na}$, which is used in some heart scans, as seen in Table 32.1. The equation for the reaction is ${}^{23}\textrm{Na} + n \to {}^{24}\textrm{Na} + \gamma$. Find its energy output, given the mass of ${}^{24}\textrm{Na}$ is 23.990962 u.
1. $6.958 \textrm{ MeV}$
2. $5.7 \times 10^{-10} \textrm{ g}$
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