Key Takeaways
Lesson Description
Key Takeaways
• Solids, liquids, and gases differ by particle motion and intermolecular forces.
• Stronger intermolecular forces produce higher melting and boiling points.
• Solids may be molecular, ionic, metallic, or covalent-network solids.
• Solutions form when solute-solvent interactions are favorable.
• Solubility depends on polarity: "Like dissolves like."
• Molarity measures solution concentration.
• Beer-Lambert Law relates absorbance to concentration.
Must Know Equations
Molarity:
M = mol / L
Beer-Lambert Law:
A = εbc
Must Know Vocabulary
Solution
Solute
Solvent
Molarity
Beer-Lambert Law
Absorbance
Concentration
Hydration
Miscible
Saturated Solution
AP Exam Focus
• Compare different solid structures.
• Calculate molarity from solution data.
• Interpret Beer-Lambert Law graphs.