About This Chapter
Below is a sample breakdown of the Solutions chapter into a 5-day school week. Based on the pace of your course, you may need to adapt the lesson plan to fit your needs.
|Day||Topics||Key Terms and Concepts Covered|
|Monday||Dissolution||Solute, solvent, polar, non-polar, miscible, immiscible, surface area, temperature, pressure, dissolving gases|
|Tuesday||Solutions, electrolytes and nonelectrolytes||Mixture, heterogeneous, homogeneous, solutes, solvents, molarity, mass percent, strong electrolytes, weak electrolytes, ionic compounds|
|Wednesday||Solubility||Dissolution, saturated, unsaturated, supersaturated, solubility curve, temperature, pressure|
|Thursday||Molarity and dilution of solutions||Homogeneous mixtures, concentration|
|Friday||Colligative properties and Raoult's Law||Molar freezing-point constant, nonvolatile substance, molal, freezing-point depression, molar mass, vapor pressure, osmosis, osmotic pressure|
1. The Rate of Dissolution: Factors and Definition
Learn what dissolution is and the factors that affect the rate of dissolution, such as temperature, surface area, polarity and pressure. Learn what miscible and immiscible mean in regards to liquids.
2. Solutions, Electrolytes and Nonelectrolytes
Learn what a solution is and how it is formed. Learn how to express the concentration of a solution in terms of molarity, molality and mass percent. Discover the differences between an electrolyte and a nonelectrolyte.
3. Solubility and Solubility Curves
Learn what solubility is as well as the definitions of 'saturated,' 'unsaturated' and 'supersaturated.' Learn how to determine the solubility of a substance in water by using a solubility curve. Discover the effects of pressure and temperature on the solubility of liquids, solids and gases.
4. Calculating Molarity and Molality Concentration
Learn the abbreviations and meaning of molarity and molality and go over some sample calculations with given concentrations.
5. Calculating Dilution of Solutions
Learn what a solution is and how to properly dilute a new solution from a stock solution. Learn the dilution equation that combines molarity, the volume of stock solution and desired solution to determine how much stock solution is needed for the new solution.
6. Using Colligative Properties to Determine Molar Mass
In this lesson, we will explore the effect of colligative properties on a solution. We will learn how to calculate freezing point depression and see how it can be used to calculate the molar mass of an unknown substance.
7. Colligative Properties and Raoult's Law
Learn how vapor pressure and osmotic pressure are colligative properties. Learn Raoult's Law and how to use it to determine the vapor pressure of a solution. Learn the equation for determining osmotic pressure and how to use it to determine the molar mass of a substance.
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