An analytical chemist is titrating 239.7 mL of a 0.6100M solution of benzoic acid (HC,H,CO,) with a 0.4400M solution of NaOH. The pK of benzoic acid is 4.20. Calculate the pH of the acid solution after the chemist has added 135.5 mL of the NaOH solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of NaOH solution added. Round your answer to 2 decimal places. pH = ?

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An analytical chemist is titrating 239.7 mL of a 0.6100M solution of benzoic acid (HC,H,CO, with a 0.4400M solution of
NaOH. The p K, of benzoic acid is 4.20. Calculate the pH of the acid solution after the chemist has added 135.5 mL of the
NaOH solution to it.
Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of
NaOH solution added.
Round your answer to 2 decimal places.
pH = U
Transcribed Image Text:An analytical chemist is titrating 239.7 mL of a 0.6100M solution of benzoic acid (HC,H,CO, with a 0.4400M solution of NaOH. The p K, of benzoic acid is 4.20. Calculate the pH of the acid solution after the chemist has added 135.5 mL of the NaOH solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of NaOH solution added. Round your answer to 2 decimal places. pH = U
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