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

Which one of the following compounds is the most soluble in water?

NaNO_3

PbI_2

BaSO_4

AgCl

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Verified step by step guidance

Step 1: Understand that solubility in water depends largely on the compound's ability to dissociate into ions and the lattice energy of the solid. Ionic compounds that dissociate completely and have lower lattice energies tend to be more soluble.

Step 2: Recognize that NaNO_3 (sodium nitrate) is an ionic compound composed of Na^+ and NO_3^- ions, both of which are highly soluble in water due to strong ion-dipole interactions with water molecules.

Step 3: Compare the other compounds: PbI_2, BaSO_4, and AgCl are all ionic but are known to have low solubility in water because of their high lattice energies and the formation of relatively insoluble salts.

Step 4: Recall the solubility rules: nitrates (NO_3^-) are generally soluble with no exceptions, while halides like AgCl and sulfates like BaSO_4 have limited solubility, and PbI_2 is also poorly soluble.

Step 5: Conclude that among the given options, NaNO_3 is the most soluble in water because it fully dissociates and follows the general solubility rules for nitrates.