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3. Calculate the ratio of the concentrations of acetate and acetic acid required in a buffer system of pH 5.30.

[acetate]

[acetic acid]

[acetate] [acetic acid]

[acetate] [acetic acid]

Q To see the effect of pH on the degree of ionization of a weak acid, see the Living Graph for Equation 2-9.

Two especially important biological buffers are the phosphate and bicarbonate systems. The phosphate buffer system, which acts in the cytoplasm of all cells,

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