Chemistry, 23.09.2019 06:30 brittanygibson2812
If 110. mg of fluorine-18 is shipped at 8: 00 a. m., how many milligrams of the radioisotope are still active after 110 min
Answers: 3
![$\ln [A]=\ln [A]_{0}-k t$](/tpl/images/0254/1654/87e00.png)
![[A]_0](/tpl/images/0254/1654/7075c.png)
 is the initial quantity![\\$\ln [A]=\ln (110 m g)-\left(0.00632 \min ^{-1} \times 110 \min \right)$\\\\$\ln [A]=4.700-0.6952$\\\\$\ln [A]=4.0048$\\\\$[A]=e^{4.0048}$](/tpl/images/0254/1654/8662b.png)
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If 110. mg of fluorine-18 is shipped at 8: 00 a. m., how many milligrams of the radioisotope are sti...
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