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For this problem, I'm confused on how to solve the rate equation with the given info. I know I'm supposed to use the equation with K=1/t*ln(A initial)/(A) but I don't get how the initial mass given is put into the equation to solve.
You plug the initial mass into [A]initial! I suggest rearranging the equation to [A] = [A]initial*e^-kt to make it easier to solve (since you’re solving for [A]) and don’t forget to convert 5.0 hours into minutes (since the units for k is given as min^-1)! Hope this helps :)
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