D. Post Laboratory 1) A student weighs 0.347 g of KHP on a laboratory balance. The KHP was titrated with NaOH and the concentration of the NaOH determined to be 0.110 M. For the second titration, the student correctly diluted 6 M HCI from the reagent shelf using a graduated cylinder to obtain approximately 0.6 M HCl. This solution was titrated with the original NaOH solution. The student calculated the concentration of NaOH from the experiment to be 0.099 M. In which experiment should the student be more confident of the concentration of the NaOH solution? Why? 2) A student needed to standardize a solution of NaOH which was approximately 0.04 M. The student weighed out 0.237 g of KHP. The student carefully prepared the titration setup, but after 25 mL of NaOH was added, no observable change had taken place. What is the procedural error in this experiment? an the determination of the sodium hydroxide concentration BC
D. Post Laboratory 1) A student weighs 0.347 g of KHP on a laboratory balance. The KHP was titrated with NaOH and the concentration of the NaOH determined to be 0.110 M. For the second titration, the student correctly diluted 6 M HCI from the reagent shelf using a graduated cylinder to obtain approximately 0.6 M HCl. This solution was titrated with the original NaOH solution. The student calculated the concentration of NaOH from the experiment to be 0.099 M. In which experiment should the student be more confident of the concentration of the NaOH solution? Why? 2) A student needed to standardize a solution of NaOH which was approximately 0.04 M. The student weighed out 0.237 g of KHP. The student carefully prepared the titration setup, but after 25 mL of NaOH was added, no observable change had taken place. What is the procedural error in this experiment? an the determination of the sodium hydroxide concentration BC
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
Section: Chapter Questions
Problem 134IP: On Easter Sunday, April 3, 1983, nitric acid spilled from a tank car near downtown Denver, Colorado....
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