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MTLE Chemistry: Solutions in Chemistry 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!

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Question 1 1. 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 2 2. What is the equation used to determine the mass percent of a solute in a solution?

Question 3 3. How much of a 16 M stock solution must you add to make 4 L of a 1 M diluted solution?

Question 4 4. Which of the following is true?

Question 5 5. What is the freezing point depression of a solution containing 20g of C6H12O6 in 250g of water?

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Question 6 6. What is osmotic pressure?

Question 7 7. Which of the following does NOT affect the rate of dissolution of a solute?

Question 8 8. What is a solute?

Question 9 9. 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 10 10. What is the best definition of a solution?

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Question 11 11. What does a solubility curve show?

Question 12 12. State the Raoult's Law?

Question 13 13. Sodium chloride ______.

Question 14 14. What is an example of a colligative property?

Question 15 15. Why does a spoonful of sugar dissolve faster than a sugar cube?

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Question 16 16. 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 17 17. What is an electrolyte?

Question 18 18. How many grams of CH3 OH is needed to make a 0.244 M solution in 400 mL of water?

Question 19 19. What is the molal freezing-point constant?

Question 20 20. What is a coligative property?

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Question 21 21. In the example, PbI2(s), the 's' symbol means ______.

Question 22 22. How does an increase in temperature affect the solubility of gases?

Question 23 23. How does a decrease in pressure affect the solubility of gases in a liquid?

Question 24 24. Because ethanol dissolves in water, it is:

Question 25 25. 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 26 26. Which of the following is NOT true regarding solubility curves?

Question 27 27. Why does an open soda go flat?

Question 28 28. What is the main cause of ocean acidification?

Question 29 29. Why do scuba divers use a mixture of Helium and oxygen instead of normal air in their scuba tanks?

Question 30 30. Which of these properties, is NOT a colligative one?

MTLE Chemistry: Solutions in Chemistry 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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