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A solution is prepared at 25°C that is initially 0.13M in benzoic acid HC6H5CO2 , a...

A solution is prepared at 25°C that is initially 0.13M in benzoic acid HC6H5CO2 , a weak acid with =Ka×6.310−5 , and 0.14M in potassium benzoate KC6H5CO2. Calculate the pH of the solution. Round your answer to 2 decimal places.

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Acconding to Heandenson- Hasselbalch auatan ph-pha CSaltT Lacid log ka + log [HCG HE CO O-14 O 13 --igle-x1o5)log + 4.23215 R

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