Copyright

Understanding Solutions Lesson Plans Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. What is an electrolyte?

Question 2 2. What is osmotic pressure?

Question 3 3. What is the equation used to determine the mass percent of a solute in a solution?

Question 4 4. State the Raoult's Law?

Question 5 5. What does a solubility curve show?

Page 2

Question 6 6. Which of these properties, is NOT a colligative one?

Question 7 7. How is a supersaturated solution made?

Question 8 8. What is a solute?

Question 9 9. How much of a 16 M stock solution must you add to make 4 L of a 1 M diluted solution?

Question 10 10. How is solubility determined?

Page 3

Question 11 11. Because ethanol dissolves in water, it is:

Question 12 12. What is the best definition of a solution?

Question 13 13. Which of the following statements best describes a supersaturated solution?

Question 14 14. What is the dilution of solutions equation?

Question 15 15. What is the equation used for determining molarity?

Page 4

Question 16 16. Which of the following does NOT affect the rate of dissolution of a solute?

Question 17 17. Why does an open soda go flat?

Question 18 18. Which of the following is NOT true regarding solubility curves?

Question 19 19. How many grams of CH3 OH is needed to make a 0.244 M solution in 400 mL of water?

Question 20 20. Which of the following is true?

Page 5

Question 21 21. What happens to vapor pressure when you add a solute to a solution?

Question 22 22. What is the molarity of a solution made by dissolving 26.42 g of (NH4) 2 SO4 in enough water to make 50 mL of solution?

Question 23 23. When is molality usually used?

Question 24 24. What is molarity?

Question 25 25. What is the osmotic pressure formula?

Page 6

Question 26 26. A lab technician dissolved 2 mol of X in 1 liter of water in order to make a 2 M solution. What did they do wrong?

Question 27 27. If I used 0.3 L of a stock solution to make 5 L of a 2 M diluted solution, what was the original molarity of the stock solution?

Question 28 28. What do you need to know about a stock solution in order to calculate a dilution?

Question 29 29. What volume would you need to dilute 0.2 L of a 15 M solution to obtain a 3 M solution?

Question 30 30. Why does a spoonful of sugar dissolve faster than a sugar cube?

Understanding Solutions Lesson Plans Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Physical Science Curriculum Resource & Lesson Plans  /  Science Courses
Support