(Answered) Citric acid is dissolved into water to a final

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Citric acid is dissolved into water to a final concentration of 50 mM.

What is the pH of the solution?

If the pH is adjusted to physiological pH, what is the concentration of all of the ionic species of citric acid in solution? (hint: there are four species)

Is citric acid a good buffer at physiological pH? State your reasoning

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