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Chemistry Jeopardy

Chemistry Jeopardy. Molarity-100. The molarity when 4.2 moles of NaCl are dissolved to make 3.0 L of solution. What is 1.4 M?. Molarity-200. The molarity when 40 grams of NaOH are dissolved to make 0.500 L. What is 2 M?. Molarity-300.

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Chemistry Jeopardy

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  1. Chemistry Jeopardy

  2. Molarity-100 • The molarity when 4.2 moles of NaCl are dissolved to make 3.0 L of solution. • What is 1.4 M?

  3. Molarity-200 • The molarity when 40 grams of NaOH are dissolved to make 0.500 L. • What is 2 M?

  4. Molarity-300 • The molarity when 59.9 g of KBr are dissolved to make 200 mL of solution. • What 2.5 M?

  5. Molarity-400 • The grams needed to make 250 mL of a 0.15 M solution of CaCl2. • What is 4.16 grams?

  6. Molarity-500 • The volume of a 2.25 M solution made with 60 g of LiF. • What is 1.03 L?

  7. Dilutions-100 • The formula for dilution problems. • What is M1V1=M2V2?

  8. Dilutions-200 • The milliliters of 0.25 M NaOH needed to make 500 mL of 0.10 M NaOH solution. • What is 200 mL?

  9. Dilutions-300 • A solution is prepared by adding 250 mL of 0.70 M K2CrO4 to 400 mL of water. Calculate the molarity of the new K2CrO4solution. • What is 0.27 M?

  10. Dilutions-400 • The molarity when 200 mL of a 0.233 M KCl solution is diluted to 575 mL. • What is 0.081 M?

  11. Dilutions-500 • You have a stock solution of 0.500 M acid, and your lab procedure calls for 1.00 M acid. How can you dilute the stock solution to get 1.00 M? • You can’t, When a solution is diluted, the molarity is less, not more.

  12. Vocabulary-100 • An aqueous solution has __________ as the solvent. • What is water?

  13. Vocabulary-200 • A __________ solution contains more than the amount of solute that should be able to be dissolved at a given temperature. • What is supersaturated?

  14. Vocabulary-300 • Two liquids are said to be __________ if they dissolve in each other. • What is miscible?

  15. Vocabulary-400 • To make a solution, you dissolve the _________ in the ______________. • What is SOLUTE in the SOLVENT?

  16. Vocabulary-500 • A solution of two metals • What is an alloy?

  17. Anything Goes-100 • Will increasing the temperature raise or lower the solubility of a salt? • What is raise?

  18. Anything Goes-200 • The proper name of the flask used to make an accurate molarity solution. • What is a volumetric flask?

  19. Anything Goes-300 • A solution is ___________ if it contains as much solute as can possibly be dissolved under the existing conditions of temperature and pressure. • What is saturated?

  20. Anything Goes-400 • Three ways to make a solute dissolve. • What are increase temperature, stir or shake, increase surface area (grind or crush smaller)?

  21. Anything Goes-500 • How to make a supersaturated solution • What is heat the solution to get more to dissolve, then let it cool?

  22. Other Calculations-100 • How much 2.0 M solution is needed to make 5 L of 1.0 M solution? • What is 2.5 L?

  23. Other Calculations-200 • You are asked to make 1.5 L of 0.25 M nitric acid by diluting concentrated 16 M nitric acid. What volume of the concentrated acid will be required to make the dilution? • What is 23 mL or 0.023 L?

  24. Other Calculations-300 • You need 100 mL of 0.40 M MgSO4. What volume of a stock solution of 2.0 M MgSO4 do you need? • What is 20 mL?

  25. Other Calculations-400 • How many grams of KF are needed to a make 300 mL of a 0.24 M solution? • What is 4.18 g?

  26. Other Calculations-500 • The volume needed to make a 0.75 M solution with 12 g of KOH. • What is 0.285 L or 285 mL?

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