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chemistry

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Indicate the approximate of pH of a buffer made from equal concentrations of each of these pairs

C6H5C00H/C6H5C00

H3B03/H2B03

  • chemistry - ,

    The Henderson-Hasselbalch equation for buffers is
    pH = pKa + log (base/acid)
    If you want (base) = (acid), then log base/acid is log 1 and that is zero; therefore, pH is pKa. Just look up the pKa for the acid of each pair and that will be the pH.

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