Physical Science - Understanding Solutions: Tutoring Solution 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. 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 2 2. What do you need to know about a stock solution in order to calculate a dilution?

Question 3 3. What is a solution?

Question 4 4. What is the equation used for determining molarity?

Question 5 5. How is solubility determined?

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Question 6 6. Which of the following is NOT true regarding solubility curves?

Question 7 7. Because ethanol dissolves in water, it is:

Question 8 8. Why does an open soda go flat?

Question 9 9. How is a supersaturated solution made?

Question 10 10. How much of a 16 M stock solution must you add to make 4 L of a 1 M diluted solution?

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Question 11 11. What is an electrolyte?

Question 12 12. What is the equation used to determine the mass percent of a solute in a solution?

Question 13 13. Which of the following is true?

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

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

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Question 16 16. When is molality usually used?

Question 17 17. Why does a spoonful of sugar dissolve faster than a sugar cube?

Question 18 18. What does a solubility curve show?

Question 19 19. 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 20 20. What happens to vapor pressure when you add a solute to a solution?

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Question 21 21. Which of the following statements best describes a supersaturated solution?

Question 22 22. What is the dilution of solutions equation?

Question 23 23. What does the solubility of an ionic compound depend on?

Question 24 24. What is the osmotic pressure formula?

Question 25 25. State the Raoult's Law?

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Question 26 26. Which of the following does NOT affect the rate of dissolution of a solute?

Question 27 27. What is molarity?

Question 28 28. 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 29 29. How many grams of CH3 OH is needed to make a 0.244 M solution in 400 mL of water?

Question 30 30. What is osmotic pressure?

Physical Science - Understanding Solutions: Tutoring Solution 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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