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 of the following compounds is soluble in water?

NaNO_3

AgCl

PbI_2

BaSO_4

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Verified step by step guidance

Step 1: Understand the concept of solubility rules in water, which help predict whether an ionic compound will dissolve in water based on the ions it contains.

Step 2: Recall that most nitrates (NO_3^-) are soluble in water regardless of the cation, so compounds containing the nitrate ion are generally soluble.

Step 3: Examine the other compounds: AgCl, PbI_2, and BaSO_4. According to solubility rules, chlorides (Cl^-) are mostly soluble except when paired with Ag^+, lead (Pb^2+) iodides (I^-) and barium (Ba^2+) sulfates (SO_4^{2-}) are generally insoluble or only slightly soluble.

Step 4: Compare the ions in each compound with the solubility rules to determine which compound is soluble in water.

Step 5: Conclude that NaNO_3 is soluble in water because it contains the nitrate ion, which is always soluble, while the other compounds are insoluble or sparingly soluble.