Although the yield of methamphetamine is good, some unreacted phenyl-2-propanone remains after the reaction is complete. Describe how methamphetamine can be separated from phenyl-2-propanone.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

the answer is 75.0%.