(Solved): Based on the titration curve shown below, determine the value of Ka Titration of Weak Acid 14- 13- ...

Based on the titration curve shown below, determine the value of Ka Titration of Weak Acid 14- 13- 12- 11- 10- 987 7 6 5. 432L 1 0 Equivalence point pH = 8.72, 25.0 mL added Half-equivalence point pH = 5.21. 17.5 mL added 0 5 10 15 20 25 30 35 40 45 50 Volume of 0.100 M NaOH added (mL) (b) 6.2 x 10-6 1.9 × 10-? 5.21 5.5 x 10-3