Ch 10: MCAS ST&E Chemistry: Solutions

About This Chapter

This chapter was organized for the purpose of helping future takers of the MCAS ST&E Chemistry exam prepare for the portions of the test centered on solutions. Watch these engaging video lessons conducted by professional instructors.

MCAS ST&E Chemistry: Solutions - Chapter Summary

The lessons in this chapter are focused on the different components and calculations of solutions in chemistry, ensuring your readiness for any subject-related question thrown at you on the test. Topics discussed include:

  • The rate of dissolution
  • Solutions, electrolytes, and non-electrolytes
  • Solubility and solubility curves
  • The calculation of molarity, molality concentration, and the dilution of solutions

Using the dashboard feature, you can keep track of your progress through these lessons while further supplementing your studies with the quizzes. You can also ask our subject experts questions if you're struggling to grasp any given topic.

5 Lessons in Chapter 10: MCAS ST&E Chemistry: Solutions
Test your knowledge with a 30-question chapter practice test
The Rate of Dissolution: Factors and Definition

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.

Solutions, Electrolytes and Nonelectrolytes

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.

Solubility and Solubility Curves

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.

Calculating Molarity and Molality Concentration

4. Calculating Molarity and Molality Concentration

Learn the abbreviations and meaning of molarity and molality. Then apply what you have learned by going over some sample calculations with given concentrations.

Calculating Dilution of Solutions

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.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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