![\frac{1}{[A]} =\frac{1}{[A]_0} +kt](/tpl/images/1100/7744/44e41.png)
![t=\frac{ \frac{1}{[A]}-\frac{1}{[A]_0}}{k}](/tpl/images/1100/7744/90cf5.png)
![\frac{1}{[A]} =\frac{1}{[A]_0} +kt\\\\\frac{1}{[A]} =\frac{1}{0.750M} +0.680M^{-1}min^{-1}*0.996min\\\\\frac{1}{[A]} =1.99,M](/tpl/images/1100/7744/dbdf9.png)
![[A]=0.50M](/tpl/images/1100/7744/54ccc.png)
![t_{1/2}=\frac{[A]_0}{2k}](/tpl/images/1100/7744/15a8b.png)
Pls help me i really need help
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Answers: 2
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