(Answered) What is thee sum of the charges on alanine aspartic acid

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What is thee sum of the charges on alanine, aspartic acid, and lysine? How did you find this answer?

Now design a stationary and mobile phase that would separate these three on basis of charge.A)Assumptions about size and how it affects separation B) Describe how you could use a cation (Ca2+or H+) to control the stationary phase and mobile. C) predict and justify the order these will separate.

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