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GUIDE QUESTIONS: 1. When do we need to perform a double-indicator titration procedure? 2. Why do we need to correct for the indicator? 3. What is/are the pairs that cannot exist together in a mixture? Why can't those pairs exist? 4. What makes bromocresol green and phenolphthalein suitable for the double- indicator process? 5. Write the stepwise equilibria for the neutralization of Na2CO3 with HCI. 6. What is the acid/base ratio? Why is it important in titrimetric process? 7. Define back-titration. What is the concept behind this method? 8. Why should you boil the sample solution right before reaching the end point? 9. Does the primary standard used for the standardization of HCI fit the criteria for a good primary standard? Why or why not? 10. What are the possible errors that could be encountered during the analysis?

GUIDE QUESTIONS: 1. When do we need to perform a double-indicator titration procedure? 2. Why do we need to correct for the indicator? 3. What is/are the pairs that cannot exist together in a mixture? Why can't those pairs exist? 4. What makes bromocresol green and phenolphthalein suitable for the double- indicator process? 5. Write the stepwise equilibria for the neutralization of Na2CO3 with HCI. 6. What is the acid/base ratio? Why is it important in titrimetric process? 7. Define back-titration. What is the concept behind this method? 8. Why should you boil the sample solution right before reaching the end point? 9. Does the primary standard used for the standardization of HCI fit the criteria for a good primary standard? Why or why not? 10. What are the possible errors that could be encountered during the analysis?

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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What are the answers for the following guide questions below in a Double-Indicator Titration Procedure for the determination of Carbonates in a Mixture?

GUIDE QUESTIONS: 1. When do we need to perform a double-indicator titration procedure? 2. Why do we need to correct for the indicator? 3. What is/are the pairs that cannot exist together in a mixture? Why can't those pairs exist? 4. What makes bromocresol green and phenolphthalein suitable for the double- indicator process? 5. Write the stepwise equilibria for the neutralization of Na2CO3 with HCI. 6. What is the acid/base ratio? Why is it important in titrimetric process? 7. Define back-titration. What is the concept behind this method? 8. Why should you boil the sample solution right before reaching the end point? 9. Does the primary standard used for the standardization of HCI fit the criteria for a good primary standard? Why or why not? 10. What are the possible errors that could be encountered during the analysis?
Transcribed Image Text:GUIDE QUESTIONS: 1. When do we need to perform a double-indicator titration procedure? 2. Why do we need to correct for the indicator? 3. What is/are the pairs that cannot exist together in a mixture? Why can't those pairs exist? 4. What makes bromocresol green and phenolphthalein suitable for the double- indicator process? 5. Write the stepwise equilibria for the neutralization of Na2CO3 with HCI. 6. What is the acid/base ratio? Why is it important in titrimetric process? 7. Define back-titration. What is the concept behind this method? 8. Why should you boil the sample solution right before reaching the end point? 9. Does the primary standard used for the standardization of HCI fit the criteria for a good primary standard? Why or why not? 10. What are the possible errors that could be encountered during the analysis?
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