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OpenStudy (anonymous):
Calculate the pH of 100 mL of a buffer solution containing 0.05 M benzoic acid (C6H5CO2H; Ka = 6.4 x 10-5) and 0.05 M sodium benzoate (NaC6H5CO2).(Note: please report your pH value to two decimal places.)
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OpenStudy (aaronq):
use the Henderson-Hasselbalch equation: \(pH=pKA+log\dfrac{[A^-]}{[HA]}\)
OpenStudy (anonymous):
what is pKA again?
OpenStudy (aaronq):
\(pKa=-logK_a\)
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