Table of contents

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1. Intro to General Chemistry3h 48m
2. Atoms & Elements4h 16m
3. Chemical Reactions4h 10m
4. BONUS: Lab Techniques and Procedures1h 38m
5. BONUS: Mathematical Operations and Functions48m
6. Chemical Quantities & Aqueous Reactions3h 53m
7. Gases3h 49m
8. Thermochemistry2h 37m
9. Quantum Mechanics2h 58m
10. Periodic Properties of the Elements3h 9m
11. Bonding & Molecular Structure3h 29m
12. Molecular Shapes & Valence Bond Theory1h 57m
13. Liquids, Solids & Intermolecular Forces2h 23m
14. Solutions3h 1m
15. Chemical Kinetics2h 53m
16. Chemical Equilibrium2h 29m
17. Acid and Base Equilibrium5h 1m
18. Aqueous Equilibrium4h 47m
19. Chemical Thermodynamics1h 50m
20. Electrochemistry2h 42m
21. Nuclear Chemistry2h 36m
22. Organic Chemistry5h 7m
23. Chemistry of the Nonmetals2h 39m
24. Transition Metals and Coordination Compounds3h 16m

4. BONUS: Lab Techniques and Procedures

Chromatography

General Chemistry

4. BONUS: Lab Techniques and Procedures

Chromatography

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Multiple Choice

Which of the following is a primary purpose of chromatography in chemical analysis?

To measure the pH of a solution

To determine the boiling point of a substance

To calculate the molar mass of a compound

To separate mixtures into their individual components

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Verified step by step guidance

Understand the concept of chromatography: Chromatography is a technique used to separate the components of a mixture based on their different interactions with a stationary phase and a mobile phase.

Identify the primary purpose of chromatography: The main goal is to separate mixtures into their individual components, allowing for further analysis or purification.

Consider the options given: Measuring pH, determining boiling point, and calculating molar mass are not related to the separation of mixtures.

Recognize that chromatography is not used for measuring pH, determining boiling points, or calculating molar masses, but rather for separating and analyzing components of a mixture.

Conclude that the correct answer is: To separate mixtures into their individual components, as this aligns with the primary purpose of chromatography in chemical analysis.