Solutions: Help and Review 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. Why does an open soda go flat?

Question 3 3. What is osmotic pressure?

Question 4 4. Why does a spoonful of sugar dissolve faster than a sugar cube?

Question 5 5. What is the molal freezing-point constant?

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Question 6 6. What is the dilution of solutions equation?

Question 7 7. What is the equation used for determining molarity?

Question 8 8. 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 9 9. What is the osmotic pressure formula?

Question 10 10. How is solubility determined?

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Question 11 11. State the Raoult's Law?

Question 12 12. 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 13 13. Because ethanol dissolves in water, it is:

Question 14 14. Which of these properties, is NOT a colligative one?

Question 15 15. What happens to vapor pressure when you add a solute to a solution?

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Question 16 16. Which of the following is true?

Question 17 17. Which of the following is NOT true regarding solubility curves?

Question 18 18. What volume would you need to dilute 0.2 L of a 15 M solution to obtain a 3 M solution?

Question 19 19. Which of the following does NOT affect the rate of dissolution of a solute?

Question 20 20. What does the solubility of an ionic compound depend on?

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Question 21 21. What does the m stand for in the freezing-point depression equation?

Question 22 22. How much of a 16 M stock solution must you add to make 4 L of a 1 M diluted solution?

Question 23 23. Which of the following statements best describes a supersaturated solution?

Question 24 24. When is molality usually used?

Question 25 25. How many grams of CH3 OH is needed to make a 0.244 M solution in 400 mL of water?

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Question 26 26. What does a solubility curve show?

Question 27 27. What is molarity?

Question 28 28. What is a solution?

Question 29 29. What is an example of a colligative property?

Question 30 30. What is a coligative property?

Solutions: Help and Review 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!

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