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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)

Osmosis is the net movement of solvent across a semipermeable membrane.

Understanding Osmosis

Concept #1: Osmosis

Concept #2: Osmotic Pressure

Example #1: Osmosis is best defined as the movement of:

a) Water molecules across a semipermeable membrane into a region of low solute concentration. 

b) Solute molecules from an area of high concentration to an area of lower concentration.

c) Solute molecules from an area of low concentration to an area of higher concentration. 

d) Water molecules across a semipermeable membrane into a region of high solute concentration. 

Practice: A semipermeable membrane is placed between the following solutions.

Which solution will increase in volume?

Practice: Four U tubes each have distilled water in the right arm, a solution in the left arm, and a semipermeable membrane between the arms. If the solute is LiF, which solution is most concentrated?

Practice: Identify the direction of water flow between 2 solutions separates by semipermeable membrane, where  are the solute particles.

Concept #3: Tonicity of Solutions

Example #2: Label the tonicity of the solution outside the cell.

Practice: If the fluid surrounding a patient’s red blood cells is depleted in electrolytes, is crenation or hemolysis more likely to occur?

Practice: A solution with the same osmotic pressure as the blood is