Chemistry Practice Problems Acid Base Indicators Practice Problems Solution: Which of the indicators in Fig. 14‑8 could be used...

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Solution: Which of the indicators in Fig. 14‑8 could be used for the titrations of the following: •For the titration of 25.0 mL of 0.100 M propanoic acid (HC3H5O2, Ka = 1.3 x 10-5) with 0.100 M NaOH.•For the titration of 25.0 mL of 0.100 M pyridine with 0.100 M hydrochloric acid (Kb for pyridine is 1.7 x 10-9).

Problem

Which of the indicators in Fig. 14‑8 could be used for the titrations of the following: 

•For the titration of 25.0 mL of 0.100 M propanoic acid (HC3H5O2, Ka = 1.3 x 10-5) with 0.100 M NaOH.

•For the titration of 25.0 mL of 0.100 M pyridine with 0.100 M hydrochloric acid (Kb for pyridine is 1.7 x 10-9).

Additional Practice Problems

Acid Base Indicators

Acid Base Indicators

Q. The indicator cresol red has Ka = 3.5 × 10−9. Over what approximate pH range does it change color?

Solved • Tue Nov 20 2018 17:37:24 GMT-0500 (EST)