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Calculate the pKa of lactic acid, given that when the concentration of lactic acid is 0.010M and the concentration of lactate is 0.087M, the pH is 4.80. |
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Answer» pH = pKa + log [lactate]/[lactic acid] pKa = pH – log [lactate]/[lactic acid] = 4.80 – log (0.087/0.010) = 4.80 – log 8.7 = 3.9. |
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