Learn about the properties of acids, bases, pH, and buffers in this comprehensive guide from Khan Academy.

Learn about pH, pOH, and the pH scale in this Khan Academy chemistry lesson.

The isoelectric point of an amino acid is the pH at which the amino acid has a neutral charge. You will learn how to calculate the isoelectric point, and the effects of pH on the amino acid's overall charge.

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Khan Academy article explaining the relationship between Ka and Kb in acid-base equilibria.

Khan Academy

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