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Ch.12 - SolutionsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds
Solutions: Solubility and Intermolecular Forces
Parts per Million (ppm)
Mole Fraction
Solutions: Mass Percent
Types of Aqueous Solutions
Intro to Henry's Law
Henry's Law Calculations
The Colligative Properties
Boiling Point Elevation
Freezing Point Depression
Osmotic Pressure
Vapor Pressure Lowering (Raoult's Law)
Additional Guides
The Freezing Point Depression (IGNORE)

Solutions are homogeneous mixtures that result from the dissolving of a solute by a solvent.

Solubility and Intermolecular Forces

Concept #1: Solubility and Solutions

Recall, Solubility is a chemical property that deals with ability of a solute to dissolve in a solvent.

Example #1: The following table represents the solubilities of a few nonpolar gases in water at 25 ºC under a total pressure of 1.0 atm. Based on the information provided what is the most likely solubility value of F2?

Concept #2: Theory of Likes Dissolve Likes

In the Theory of Likes Dissolve Likes the solvent can only completely dissolve the solute if they share same Intermolecular Forces and/or Polarity. 

Example #2: Identify the intermolecular forces present in both the solute and solvent, and predict whether a solution will form between the two: 50 g AsCl5 placed into 250 g H2O.

Practice: Indicate the most important type of intermolecular attraction responsible for solvation in the following solution:

Methanol, CH3OH, dissolved in ethanol, CH3CH2OH

Practice: Which of the following solutes will most readily dissolve in H2O?

Practice: Two pure chemical substance are likely to mix and form a solution if:

Practice: Which of the following statements is/are true?

I. The hydrocarbon methane (CH4) will dissolve completely in acetone (CH3COCH3).

II. Ammonia (NH3) will form a heterogeneous mixture with carbon tetrachloride (CCl4).

III. Pentane (C5H12) will form a homogeneous mixture with carbon tetrabromide (CBr4).

IV. Methanethiol (CH3SH) is miscible in fluoromethane (CH3F).