Table of contents

1. Chemical Measurements1h 50m
2. Tools of the Trade1h 17m
3. Experimental Error1h 52m
4 & 5. Statistics, Quality Assurance and Calibration Methods1h 57m
6. Chemical Equilibrium3h 41m
7. Activity and the Systematic Treatment of Equilibrium1h 0m
8. Monoprotic Acid-Base Equilibria1h 53m
9. Polyprotic Acid-Base Equilibria2h 17m
10. Acid-Base Titrations2h 37m
11. EDTA Titrations1h 34m
12. Advanced Topics in Equilibrium1h 16m
13. Fundamentals of Electrochemistry2h 19m
14. Electrodes and Potentiometry41m
15. Redox Titrations1h 14m
16. Electroanalytical Techniques57m
17. Fundamentals of Spectrophotometry50m

1. Chemical Measurements

Volumetric Analysis

Analytical Chemistry

1. Chemical Measurements

Volumetric Analysis

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Multiple Choice

In volumetric analysis, standardization is the process of titrating a solution prepared from which type of substance?

A primary standard

A supersaturated solution

A saturated solution

An impure reagent

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Verified step by step guidance

Understand the concept of standardization in volumetric analysis: Standardization is the process of determining the exact concentration of a solution by titrating it against a substance with a known and stable composition.

Learn the characteristics of a primary standard: A primary standard is a highly pure substance that is stable, non-hygroscopic, and has a known molar mass. It is used to prepare solutions of accurately known concentration.

Compare the options provided: A supersaturated solution, a saturated solution, and an impure reagent do not meet the criteria for a primary standard. These substances are either unstable, impure, or do not have a consistent composition.

Recognize why a primary standard is used: The high purity and stability of a primary standard ensure that the titration results are accurate and reliable, which is essential for standardization.

Conclude that the correct answer is 'A primary standard,' as it is the substance used to prepare solutions for standardization in volumetric analysis.