Question

Determine the pH during the titration of 16.0 mL of 0.189 M hydroiodic acid by 8.04×10^-2 M potassium hydroxide at the following points:

(1) Before the addition of any potassium hydroxide

(2) After the addition of 18.8 mL of potassium hydroxide

(3) At the equivalence point

(4) After adding 45.9 mL of potassium hydroxide

Determine the pH during the titration of 10.7 mL of 0.249 M hydrochloric acid by 0.189 M sodium hydroxide at the following points:

(1) Before the addition of any sodium hydroxide

(2) After the addition of 7.05 mL of sodium hydroxide

(3) At the equivalence point

(4) After adding 18.2 mL of sodium hydroxide

Determine the pH during the titration of 26.8 mL of 0.370 M nitric acid by 0.405 M sodium hydroxide at the following points:

(1) Before the addition of any sodium hydroxide

(2) After the addition of 12.3 mL of sodium hydroxide

(3) At the equivalence point

(4) After adding 31.9 mL of sodium hydroxide

Answer 1

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