Calculate the pH of a buffer solution containing 0.250 M benzoic acid and 0.750 M sodium benzoate (it's conjugate base). Benzoic acid Ka = 6.5 x 10-5
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The equation is: pH = pKa + log ([A-]/[HA]) where pH is the pH of the solution, pKa is the negative logarithm of the acid dissociation constant (Ka), [A-] is the concentration of the conjugate base, and [HA] is the concentration of the weak acid. We are given Show more…
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