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Titration is routine, useful laboratory technique that can be used to confirm the concentration of a particular reagent. For example, you used an acid-base titration to determine the strength of a common household product – vinegar. a. Before performing a titration of vinegar itself, you first had to standardize the solution used to analyze vinegar. i) State the identity of solution used to analyze vinegar (name the compound) and explain why the solution had to be standardized. ii) State the name (an abbreviation is fine) of the compound used standardize the test solution and explain why that compound was selected for use in standardization. iii) State the key mathematical result or goal of the standardization you performed.

Titration is routine, useful laboratory technique that can be used to confirm the concentration of a particular reagent. For example, you used an acid-base titration to determine the strength of a common household product – vinegar. a. Before performing a titration of vinegar itself, you first had to standardize the solution used to analyze vinegar. i) State the identity of solution used to analyze vinegar (name the compound) and explain why the solution had to be standardized. ii) State the name (an abbreviation is fine) of the compound used standardize the test solution and explain why that compound was selected for use in standardization. iii) State the key mathematical result or goal of the standardization you performed.

World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
Section: Chapter Questions
Problem 63A
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6. Titration is routine, useful laboratory technique that can be used to confirm the concentration of a particular reagent. For example, you used an acid-base titration to determine the strength of a common household product – vinegar. a. Before performing a titration of vinegar itself, you first had to standardize the solution used to analyze vinegar. i) State the identity of solution used to analyze vinegar (name the compound) and explain why the solution had to be standardized. ii) State the name (an abbreviation is fine) of the compound used standardize the test solution and explain why that compound was selected for use in standardization. iii) State the key mathematical result or goal of the standardization you performed. b. The completion of the acid-base titration was recognized by the use of an indicator. i) Define the term indicator. ii) Name the indicator used in the acid-base titration and state the color changed that that particular indicator undergoes. c. The visual indication that a titration is complete is known as the endpoint of the titration. i) The endpoint of a titration is related to the equivalence point of a titration. Define the term equivalence point and explain why the endpoint and equivalence point of a titration are not the same. ii) Explain the mathematical significance of the equivalence point. As part of your answer, write the key equation that is true at the end of the titration of vinegar with the analysis solution.
Transcribed Image Text:6. Titration is routine, useful laboratory technique that can be used to confirm the concentration of a particular reagent. For example, you used an acid-base titration to determine the strength of a common household product – vinegar. a. Before performing a titration of vinegar itself, you first had to standardize the solution used to analyze vinegar. i) State the identity of solution used to analyze vinegar (name the compound) and explain why the solution had to be standardized. ii) State the name (an abbreviation is fine) of the compound used standardize the test solution and explain why that compound was selected for use in standardization. iii) State the key mathematical result or goal of the standardization you performed. b. The completion of the acid-base titration was recognized by the use of an indicator. i) Define the term indicator. ii) Name the indicator used in the acid-base titration and state the color changed that that particular indicator undergoes. c. The visual indication that a titration is complete is known as the endpoint of the titration. i) The endpoint of a titration is related to the equivalence point of a titration. Define the term equivalence point and explain why the endpoint and equivalence point of a titration are not the same. ii) Explain the mathematical significance of the equivalence point. As part of your answer, write the key equation that is true at the end of the titration of vinegar with the analysis solution.
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