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Tro IC3 1.NaCl 2.Na 3.Cl 2 4.H 2 O 5.None of the above 13.1 What is the solute when 10 g of NaCl is dissolved in 100 mL of water?

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Presentation on theme: "Tro IC3 1.NaCl 2.Na 3.Cl 2 4.H 2 O 5.None of the above 13.1 What is the solute when 10 g of NaCl is dissolved in 100 mL of water?"— Presentation transcript:

1 Tro IC3 1.NaCl 2.Na 3.Cl 2 4.H 2 O 5.None of the above 13.1 What is the solute when 10 g of NaCl is dissolved in 100 mL of water?

2 Tro IC3 1.NaCl 2.Na 3.Cl 2 4.H 2 O 5.None of the above 13.1 What is the solute when 10 g of NaCl is dissolved in 100 mL of water?

3 Tro IC3 1.H 2 O 2.NH 3 3.CH 3 OH 4.CH 3 OCH 3 5.C 8 H Which solvent would be most suitable to remove grease from an object?

4 Tro IC3 1.H 2 O 2.NH 3 3.CH 3 OH 4.CH 3 OCH 3 5.C 8 H Which solvent would be most suitable to remove grease from an object?

5 Tro IC3 1.Salad dressing 2.Blueberry muffin 3.Wine 4.Sugar 5.Lead 13.3 Which of the following substances is an example of a solution?

6 Tro IC3 1.Salad dressing 2.Blueberry muffin 3.Wine 4.Sugar 5.Lead 13.3 Which of the following substances is an example of a solution?

7 Tro IC3 1.CH 3 CH 2 CH 3 2.CH 3 OCH 3 3.CH 3 CH 2 OH 4.CH 3 CH 2 NH 2 5.CH 3 CH 2 COOH 13.4 In theory which of the following would have the highest solubility in gasoline (C 8 H 18 ) ?

8 Tro IC3 1.CH 3 CH 2 CH 3 2.CH 3 OCH 3 3.CH 3 CH 2 OH 4.CH 3 CH 2 NH 2 5.CH 3 CH 2 COOH 13.4 In theory which of the following would have the highest solubility in gasoline (C 8 H 18 ) ?

9 Tro IC3 1.Holds less than the maximum amount of solute at that temperature 2.Holds the maximum amount of solute at that temperature 3.Holds more than the normal maximum amount of solute at that temperature 4.All of above 5.None of the above 13.5 A supersaturated solution:

10 Tro IC3 1.Holds less than the maximum amount of solute at that temperature 2.Holds the maximum amount of solute at that temperature 3.Holds more than the normal maximum amount of solute at that temperature 4.All of above 5.None of the above 13.5 A supersaturated solution:

11 Tro IC mol NaCl in 1 L of solution g NaCl in 100 mL of solution g NaCl in 500 mL of solution mol NaCl in 200 mL of solution 5.All have the same concentration Which of the following NaCl solutions has the highest concentration of NaCl?

12 Tro IC mol NaCl in 1 L of solution g NaCl in 100 mL of solution g NaCl in 500 mL of solution mol NaCl in 200 mL of solution 5.All have the same concentration Which of the following NaCl solutions has the highest concentration of NaCl?

13 Tro IC3 1.NaCl (aq) 2.NH 4 NO 3 (aq) 3.H 2 O (l) 4.MgCl 2 (aq) 5.HF (aq) 13.7 Which of the following would be worst at conducting electricity?

14 Tro IC3 1.NaCl (aq) 2.NH 4 NO 3 (aq) 3.H 2 O (l) 4.MgCl 2 (aq) 5.HF (aq) 13.7 Which of the following would be worst at conducting electricity?

15 Tro IC3 1.Solubility increases with increasing temperature. 2.Solubility increases with decreasing temperature. 3.Solubility remains the same with increasing temperature. 4.Solubility decreases with decreasing temperature. 5.Two of the above 13.8 How is the solubility of a gas affected by the temperature of the solution?

16 Tro IC3 1.Solubility increases with increasing temperature. 2.Solubility increases with decreasing temperature. 3.Solubility remains the same with increasing temperature. 4.Solubility decreases with decreasing temperature. 5.Two of the above 13.8 How is the solubility of a gas affected by the temperature of the solution?

17 Tro IC3 1.Solvent–solvent 2.Solvent–solute 3.Solute–solute 4.Solvent–solution 5.All of the above 13.9 Which type of interaction must be strong in order to dissolve a salt?

18 Tro IC3 1.Solvent–solvent 2.Solvent–solute 3.Solute–solute 4.Solvent–solution 5.All of the above 13.9 Which type of interaction must be strong in order to dissolve a salt?

19 Tro IC g g g g g If the solubility of potassium nitrate at 20 °C is 37 g per 100 g of water, how many grams of the compound will dissolve in 1. 0 mL of water?

20 Tro IC g g g g g If the solubility of potassium nitrate at 20 °C is 37 g per 100 g of water, how many grams of the compound will dissolve in 1. 0 mL of water?

21 Tro IC3 1.The solubility remains the same 2.The solubility increases 3.The solubility decreases 4.It depends on the chemical nature of the gas 5.It depends on the numerical value of the pressure What happens to the solubility of a gas when the pressure above a liquid increases?

22 Tro IC3 1.The solubility remains the same 2.The solubility increases 3.The solubility decreases 4.It depends on the chemical nature of the gas 5.It depends on the numerical value of the pressure What happens to the solubility of a gas when the pressure above a liquid increases?

23 Tro IC g g g g g How many grams of KNO 3 are in a 125-g solution containing 14. 5% solute?

24 Tro IC g g g g g How many grams of KNO 3 are in a 125-g solution containing 14. 5% solute?

25 Tro IC3 1.Moles of solute per liter of solution 2.Moles of solute per kg of solution 3.Grams of solute per liter of solution 4.Moles of solute per kg of solvent 5.Grams of solvent per kg of solution The molarity of a solution is defined as the number of:

26 Tro IC3 1.Moles of solute per liter of solution 2.Moles of solute per kg of solution 3.Grams of solute per liter of solution 4.Moles of solute per kg of solvent 5.Grams of solvent per kg of solution The molarity of a solution is defined as the number of:

27 Tro IC % % % % % Calculate the mass percent of moles of NaOH in L of water at 25 °C? Hint: The density of water is g/mL at 25 °C.

28 Tro IC % % % % % Calculate the mass percent of moles of NaOH in L of water at 25 °C? Hint: The density of water is g/mL at 25 °C.

29 Tro IC M M M M M What is the molarity of a KNO 3 solution containing mol KNO 3 in 500 mL of solution?

30 Tro IC M M M M M What is the molarity of a KNO 3 solution containing mol KNO 3 in 500 mL of solution?

31 Tro IC M M M M M What is the molarity of NaOH in a solution containing 40. 0g of NaOH in 750 mL of solution?

32 Tro IC M M M M M What is the molarity of NaOH in a solution containing 40. 0g of NaOH in 750 mL of solution?

33 Tro IC mL mL mL mL mL Calculate the volume of M solution made by dissolving g of solid magnesium chloride in water.

34 Tro IC mL mL mL mL mL Calculate the volume of M solution made by dissolving g of solid magnesium chloride in water.

35 Tro IC3 1.Add 40.3 mL of 12.4 M stock to 500 mL of water. 2.Add 12.4 mL of 12.4 M stock to 500 mL of water. 3.Add 40.3 mL of 12.4 M stock to mL of water. 4.Add mL of water to 40.3 mL of 12.4 M stock. 5.Add 500 mL of water to 40.3 mL of 12.4 M stock A practical problem. How could you safely prepare 500 mL of M H 2 SO 4 solution from a M H 2 SO 4 stock solution? Select the closest answer.

36 Tro IC3 1.Add 40.3 mL of 12.4 M stock to 500 mL of water. 2.Add 12.4 mL of 12.4 M stock to 500 mL of water. 3.Add 40.3 mL of 12.4 M stock to mL of water. 4.Add mL of water to 40.3 mL of 12.4 M stock. 5.Add 500 mL of water to 40.3 mL of 12.4 M stock A practical problem. How could you safely prepare 500 mL of M H 2 SO 4 solution from a M H 2 SO 4 stock solution? Select the closest answer.

37 Tro IC mL mL mL mL mL What volume of M sodium hydroxide is required to completely neutralize mL of M phosphoric acid?

38 Tro IC mL mL mL mL mL What volume of M sodium hydroxide is required to completely neutralize mL of M phosphoric acid?

39 Tro IC g g g g g mL of M lead(II) nitrate and mL of M potassium chloride are mixed. How much precipitate is produced?

40 Tro IC g g g g g mL of M lead(II) nitrate and mL of M potassium chloride are mixed. How much precipitate is produced?

41 Tro IC3 1.Osmotic pressure 2.Freezing point depression 3.Boiling point depression 4.Boiling point elevation 5.All are colligative properties Which of the following is NOT an example of a colligative property?

42 Tro IC3 1.Osmotic pressure 2.Freezing point depression 3.Boiling point depression 4.Boiling point elevation 5.All are colligative properties Which of the following is NOT an example of a colligative property?

43 Tro IC m m m m x m Calculate the molality of a solution containing mol of sucrose (table sugar) and L of water at a temperature at which the water has a density of g/mL.

44 Tro IC m m m m x m Calculate the molality of a solution containing mol of sucrose (table sugar) and L of water at a temperature at which the water has a density of g/mL.

45 Tro IC °C °C °C °C °C What is the freezing point of a m aqueous solution of calcium chloride? (Note: K f = °C·kg/mol particles. )

46 Tro IC °C °C °C °C °C What is the freezing point of a m aqueous solution of calcium chloride? (Note: K f = °C·kg/mol particles. )

47 Tro IC °C °C °C °C °C To the nearest degree, calculate the boiling point of an aqueous solution containing 36 g NaCl in 100 ml of water. (Note: K b = °C·kg/mol particles.)

48 Tro IC °C °C °C °C °C To the nearest degree, calculate the boiling point of an aqueous solution containing 36 g NaCl in 100 ml of water. (Note: K b = °C·kg/mol particles.)

49 Tro IC3 1.Shrinks 2.Swells 3.Leaks 4.Bursts 5.Two of the above A red blood cell with an inner concentration of 0. 9 g NaCl per 100 mL of solution is placed into a 2. 0 g NaCl per 100 mL solution. The cell:

50 Tro IC3 1.Shrinks 2.Swells 3.Leaks 4.Bursts 5.Two of the above A red blood cell with an inner concentration of 0. 9 g NaCl per 100 mL of solution is placed into a 2. 0 g NaCl per 100 mL solution. The cell:

51 Tro IC3 What is the freezing point of a m aqueous solution of table sugar (sucrose)? (Note: K f = °C·kg/mol particles. ) °C °C °C °C °C 13.26

52 Tro IC3 What is the freezing point of a m aqueous solution of table sugar (sucrose)? (Note: K f = °C·kg/mol particles. ) °C °C °C °C °C 13.26


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