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    Prepared Buffer Solution: Finding the pH

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    Question: A buffer is prepared by mixing 0.056 L of 0.032 M sodium bicarbonate and 0.0200 L of 0.010 M NaOH. What is the pH?

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    Solution Preview

    pH = pKa - log(A/HA)
    Where Ka is the acid dissociation constant, A is the concentration of the acid anion, and HA is the concentration of the acid.
    When mixing the chemicals, this reaction takes place: NaHCO3(aq) + NaOH(aq) --> Na2CO3(aq) + H2O(l)

    Of course you will use up all the ...

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