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3. Another student began a she forgot to add the 3 dro a) What happened?

3. Another student began a she forgot to add the 3 dro a) What happened?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Please answer questions 3a&b based on the information in question 2.
lower Since the kHP was dissolved ua hyhei ML B 2. After dissolving the KHP with water, a student noticed some undissolved solid, but continued with the titration as instructed by the procedure. He titrated until the pink color persisted for 30 sec and recorded the volume of titrant required. Preparing for the second determination, he set the reaction solution aside and added some more NaOH to the buret. He was about to pour the reaction solution down the drain, so he could rinse and reuse the flask, when he saw that the pink color had disappeared! 201id Yebrdual- Undissoldd KHP. The Pinh eos disappeared bellrs ile undissolnd KHP dissolvld and the Solohon loiiant aidic voulting a) What happened? the disappearance OF the 'Ponk CelOs in b) What can the student do to correct for this error and salvage this trial? How should the data sheet be modified to reflect this correction? -Ti, ctudent Should Complery and then Start the titrationn agin. Te dese Sheer ohould dissclve KHP Show le6s i tranon fos ik vowme OF NAO 3. Another student began adding titrant to the acid solution, but stopped when she suddenly realized that she forgot to add the 3 drops of phenolphthalein. When she did, the solution immediately turned dark red! a) What happened? b) What can the studet do to correct for this error and salvage this trial? How should the data sheet be modified to reflect this correction?
Transcribed Image Text:lower Since the kHP was dissolved ua hyhei ML B 2. After dissolving the KHP with water, a student noticed some undissolved solid, but continued with the titration as instructed by the procedure. He titrated until the pink color persisted for 30 sec and recorded the volume of titrant required. Preparing for the second determination, he set the reaction solution aside and added some more NaOH to the buret. He was about to pour the reaction solution down the drain, so he could rinse and reuse the flask, when he saw that the pink color had disappeared! 201id Yebrdual- Undissoldd KHP. The Pinh eos disappeared bellrs ile undissolnd KHP dissolvld and the Solohon loiiant aidic voulting a) What happened? the disappearance OF the 'Ponk CelOs in b) What can the student do to correct for this error and salvage this trial? How should the data sheet be modified to reflect this correction? -Ti, ctudent Should Complery and then Start the titrationn agin. Te dese Sheer ohould dissclve KHP Show le6s i tranon fos ik vowme OF NAO 3. Another student began adding titrant to the acid solution, but stopped when she suddenly realized that she forgot to add the 3 drops of phenolphthalein. When she did, the solution immediately turned dark red! a) What happened? b) What can the studet do to correct for this error and salvage this trial? How should the data sheet be modified to reflect this correction?
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