aryahaala aryahaala

09-04-2024
Chemistry

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A chemist titrates a 25.0 mL sample of 0.143 M benzoic acid (C6H5COOH) against a 0.100 M solution of NaOH.

The Ka value for benzoic acid is 6.28 × 10–5. Calculate the pH at the start of the titration, before any NaOH has been added. Give your answer correctly to two places after the decimal.

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