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    Acid Present in Acidic Form at pH = 5.20.

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    What fraction of an acetic acid/sodium acetate buffer (pka of acetic acid = 4.76) is present in the acidic form at pH = 5.20?

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    https://brainmass.com/chemistry/acid-and-base-organic-chemistry/acid-present-acidic-form-ph-4278

    Solution Preview

    The pH value of a buffer solution can be calculated by the following eqation:
    pH=pKa+p([A]/[B]) in which [A] is the concentration the conjuated acid (here is the acetic acid), [B] is the concentration of the base ( sodium ...

    Solution Summary

    The fraction of an acetic acid/sodium acetate buffer is examined. The pKa of acetic acid is determined.

    $2.49

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