Calculate the pH of a buffer that is 1.0 M in lactic acid and 1.5 M in sodium lactate. The Ka for lactic acid is 1.4 x 10-4. 3.68 3.85 3.99 4.03 5.35
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The equation is: pH = pKa + log ([A-]/[HA]) where pH is the pH of the buffer solution, pKa is the negative logarithm of the acid dissociation constant (Ka), [A-] is the concentration of the conjugate base (sodium lactate), and [HA] is the concentration of the Show more…
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