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An analytical chemist is titrating 187.3mL of a 0.9100M solution of propionic acid (HC2H5CO2) with a 0.3800M solution of NaOH. The pKa of propionic acid

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An analytical chemist is titrating 187.3mL of a 0.9100M solution of propionic acid (HC2H5CO2) with a 0.3800M solution of NaOH. The pKa of propionic acid is 4.89. Calculate the pH of the acid solution after the chemist has added 246.8mL 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

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