Table of contents

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

6. Chemical Quantities & Aqueous Reactions

Solubility Rules

General Chemistry

6. Chemical Quantities & Aqueous Reactions

Solubility Rules

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Multiple Choice

According to general solubility rules, which solvent would best dissolve NaCl?

Hexane (C6H14)

Ethanol (C2H5OH)

Water (H2O)

Benzene (C6H6)

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Verified step by step guidance

Recall the general solubility rule: 'Like dissolves like,' meaning polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes.

Identify the polarity of NaCl: Sodium chloride (NaCl) is an ionic compound, which means it is highly polar due to the strong electrostatic attraction between Na+ and Cl- ions.

Analyze the polarity of each solvent: Hexane (C6H14) and benzene (C6H6) are nonpolar solvents, ethanol (C2H5OH) is a polar solvent but less polar than water, and water (H2O) is a highly polar solvent.

Compare the solvents to NaCl: Since NaCl is ionic and highly polar, it will dissolve best in a highly polar solvent that can stabilize the ions through ion-dipole interactions.

Conclude that water (H2O) is the best solvent among the options because its strong polarity and ability to form hydrogen bonds allow it to effectively dissolve ionic compounds like NaCl.