Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question

A volume of 25.0mL 0.100M CH3CO2 is titrated with 0.100M NaOH (Ka for CH3CO2H = 1.8E-5)

(a) What is the pH before adding any NaOH? (show your work)

(b) What is the pH at the equivalence point? (show your work)

(c) What is the volume of NaOH at half-equivalence point? (fill in) ____. What is pH at this half-equivalence point? (fill in) ____. Show above calculations 

(e) Draw a titration curve for this type of titration (be sure to label the coordinates)

(d) If you have the following indicators, which one would you use? Why?

Crystal Violet  0 to 1.9

Methyl Orange  3.1 to 4.4

Phenolphthalein  8.3 to 10

 


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