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

1. A student failed to carry out all of the procedural steps when doing the experiment. Would the following procedural variations result in an experimentally determined molarity of NaOH that is too high or too low? Briefly Explain.

(a) The student didnt clean the buret before the beginning the titration. After completeing the titration, the student noticed that droplets of the titrant were clinging to the inside surface of the barel.

(b) The buret tip was not completely filled with NaOH solution when the titration was begun.

(c) The student forgot to add phenolphthalein indicator solution to the KHP solution before doing the titration

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