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Determine the pH during the titration of 13.0 mL of 0.376 M hydrobromic acid by 7.38×10-2...

Determine the pH during the titration of 13.0 mL of 0.376 M hydrobromic acid by 7.38×10-2 M barium hydroxide at the following points:

(1) Before the addition of any barium hydroxide

(2) After the addition of 16.6 mL of barium hydroxide

(3) At the equivalence point

(4) After adding 42.0 mL of barium hydroxide

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