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Explore the properties of solutions with this chapter covering solutes, solvents, electrolytes, dilutions, and more in chemistry.
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CHEMISTRY AN INTRODUCTION TO GENERAL, ORGANIC, AND BIOLOGICAL CHEMISTRYCRS “Clicker” QuestionsChapter 7 Solutions Eleventh Edition Nancy Gardner
CHAPTER 7: SOLUTIONS 7.1 Vinegar is solution that contains approximately 4 g acetic acid in 100 mL of water. Identify the solute and solvent in this solution of vinegar. A. vinegar is the solute; water is the solvent B. water is the solute; vinegar is the solvent C. acetic acid is the solute; water is the solvent D. water is the solute; vinegar is the solvent
CHAPTER 7: SOLUTIONS 7.2 Which of the following aqueous solutions will be a strong electrolyte? A. KOH in water B. ammonia (NH3) in water C. ethanol (C2H5OH) in water D. sugar (C12H22O11) in water
CHAPTER 7: SOLUTIONS 7.3 Salt is added to cold water until no more dissolves and a small amount of salt sits on the bottom of the solution. This is called a(n) ________ solution. A. unsaturated B. saturated C. supersaturated D. dilute
CHAPTER 7: SOLUTIONS 7.4 Calculate the molarity of a 5.8-L solution that contains 65 g of NaCl. A. 1.1 M B. 0.19 M C. 5.27 M D. 6.5 M
CHAPTER 7: SOLUTIONS 7.5 Determine the volume of H2O needed to dilute 15 mL of a 5.0% (m/v) solution to a final concentration of 3.5% (m/v). A. 12 mL B. 6 mL C. 100 mL D. 15 mL
CHAPTER 7: SOLUTIONS 7.6 Identify the solution with the lowest freezing point. A. 1.0 moles KOH in 3.0 L water B. 1.0 moles AlCl3 in 3.0 L water C. 1.5 moles CH3OH in 3.0 L water D. 1.5 moles NaCl in 3.0 L water
CHAPTER 7: SOLUTIONS 7.7 Which of the following solutes will NOT be soluble in cold water? A. KOH B. NaCl C. NH3 D. Ca3(PO4)2
CHAPTER 7: SOLUTIONS 7.8 Which of the following solutions is not unsaturated? A. a sugar cube that completely dissolves when added to a cup of coffee B. a crystal added to a solution that does not change in size C. adding 25.0 g KCl to 100.0 g water D. adding 11.0 g NaNO3 to 25.0 g water
CHAPTER 7: SOLUTIONS 7.9 If the solubility of sodium nitrate is 114 g/100 g H2O at 50 °C, how many grams of sodium nitrate will dissolve in 275 g of water at 50 °C? A. 114 g B. 228 g C. 314 g D. 482 g
CHAPTER 7: SOLUTIONS 7.10 A mouthwash contains 22.5% alcohol by volume. If the bottle of mouthwash contains 355.0 mL, what would be the volume in milliliters of the alcohol? A. 46.6 mL of alcohol B. 57.7 mL of alcohol C. 68.8 mL of alcohol D. 79.9 mL of alcohol
CHAPTER 7: SOLUTIONS 7.11 A patient needs 100.0 g of glucose in the next 12 hours. The number of liters of a 5.0% (m/v) glucose solution that must be given is which of the following? A. 0.5 L B. 1.0 L C. 1.5 L D. 2.0 L
CHAPTER 7: SOLUTIONS 7.12 What is the molarity of 2.0 moles of glucose in 4.0 L solution? A. 0.25 M glucose B. 0.50 M glucose C. 0.75 M glucose D. 1.00 M glucose
CHAPTER 7: SOLUTIONS 7.13 How many grams of KCl are needed to prepare 150. g of a 7.25% (m/m) solution? A. 10.9 g B. 4.83 g C. 13.8 g D. 20.7 g
CHAPTER 7: SOLUTIONS 7.14 How many milliliters of water must be added to 265 mL of a 1.75 M HCl solution to dilute it to 0.750 M, assuming the volumes are additive? A. 353 mL B. 114 mL C. 202 mL D. 618 mL
CHAPTER 7: SOLUTIONS 7.15 Which of the following solutions can be classified as a suspension? A. saline solution B. dextrose solution C. milk of magnesia D. lemon water