1. Welcome to Jeopardy Your Favorite Host: Ms. Ings Today’s Topic: 1.C. Solubility

2. Solubility is…  A. Substance the dissolves in a solution  B. Quantintiy or mass that is dissolved in a given mass of solvent  C. Describes the normal maximum concentration for a solute dissolved in a solvent  D. Substances that does the dissolving

3. Draw a water molecule and include it’s partial charges.

4. Bases release___ in solution.  A. OH -  B. H +  C. H 2 O  D. H -

5. If hexane is a non polar substance. What will dissolve in it?  A. Water  B. Glucose  C. Ethanol  D. Lamp Oil

6. Sodium Hydroxide is a strong base. The pH is…  A. 9  B. 1  C. 5  D. 14

7. What mass of KCl is needed to make a saturated solution in 100 g of water at 75 C?

8. The relationship between dissolved oxygen and temperature of water is…  A. Directly Proportional  B. Indirectly Proportional  C. Tangently Proportional  D. Undetermined

9. Heavy metals damage…  A. Proteins (Enzymes) in your body  B. Reproductive System  C. Nail Growth  D. Carbohydrates within your cells

10. Draw how water solvates around a sodium ion.

11. Which of the following could be a source of human exposure to Mercury?  A. Gasoline  B. Fluorescent Bulbs  C. Paints  D. Leaking Batteries

12. 53 g of KNO 3 is dissolved in 255 g of water. What is it’s concentration?

13. Why does NaCl dissolve in water but not in cooking oil.  A. NaCl is a molecular compound and cooking oil is an ionic compound.  B. Both NaCl and cooking oil are ionic compounds  C. NaCl is non polar and cooking oil is non polar compound.  D. NaCl is an ionic compound and oil is a non polar compound.

14. How many times more acidic is a solution with a pH of 2 than a pH of 4?  A. 100  B. 10  C. 1,000  D. 2

15. The EPA maximum for lead in drinking water is.015 mg/L. Express this as ppm.

16. Acids taste  A. Strong  B. Bitter  C. Sour  D. Sweet

17. Using your knowledge of gas solubility, explain why warm soda fizzes more than cold soda.

18. 70 grams of KNO3 is dissolved in 100 grams of water at 80 C. This solution is  A. Unsaturated  B. Supersaturated  C. Saturated  D. Unable to determine

19. HCl is a(n)...  A. Base  C. Neutral  C. Acid  D. Unable to determine

20. What is the mass percent sucrose concentration of 17g sucrose dissolved in 209 g water?

21. As the temperature of the water increase  A. Fish have more oxygen  B. Fish are more active  C. Fish slow down metabolism  D. Aquatic organisms decrease

22. The oxygen in water has many unique properties one of which is…  A. It’s positive charge  B. It’s ionic bond formed with hydrogen  C. That it’s electronegative  D. It’s ability to give away it’s electrons easily.

23. Draw a model of KCL dissolved in water.

24. How would diluting the solution change your model?

25. Solute B is ….  A. Polar  B. Non polar  C. Ionic Compound  D. Non polar in vegetable oil WaterVegetable Oil Hexane Solute ASolubleInsoluble Solute BInsolubleSoluble

26. How much NaCl will dissolve in 350g of water at 70 C?