Exam 8: Solutions

Explore all topics

A flask contains two compartments (A and B)with equal volumes of solution separated by a semipermeable membrane. Which diagram represents the final level of the liquids if A is initially a 10% (w/v)glucose solution and B is initially a 20% (w/v)glucose solution?

(Multiple Choice)

4.8/5

(80)

Question 81

Ringer's solution is an aqueous solution of NaCl,KCl,and CaCl₂ that is used for treating burns and wounds. The solvent in this solution is ________.

(Short Answer)

4.9/5

(92)

Question 82

In solution formation,solvation always releases more energy than that required to separate particles,so the overall process is always exothermic.

(True/False)

4.8/5

(83)

Question 83

When two substances form a solution,the substance present in the lesser amount is called the ,and the substance present in the larger amount is the .

(Short Answer)

4.7/5

(78)

Question 84

What is the concentration of a solution formed by adding 65.0 mL of water to 25.0 mL of a 3.2 M NaCl solution?

(Multiple Choice)

4.9/5

(87)

Question 85

Which ionic compound is not soluble in water?

(Multiple Choice)

4.8/5

(76)

Question 86

If cells are placed in a hypertonic solution,________.

(Multiple Choice)

4.8/5

(93)

Question 87

What is the molarity of a 25.0% (v/v)aqueous isopropyl alcohol solution? The density of isopropyl alcohol (C₃H₈O,molar mass 60.09 g/mol)is 0.786 g/mL.

(Multiple Choice)

5.0/5

(76)

Question 88

Which of the following describes an unsaturated solution?

(Multiple Choice)

4.9/5

(85)

Question 89

Red Blood Cells are placed into a solution,and the cells begin to swell in a process called hemolysis. How should the solution be classified?

(Multiple Choice)

4.9/5

(76)

Question 90

A nonvolatile solute makes it harder for solvent molecules to form a crystalline solid,thus decreasing its melting point.

(True/False)

4.9/5

(85)

Question 91

Sodium chloride is soluble in nonpolar solvents such as octane (C₈H₁₈).

(True/False)

4.8/5

(84)

Question 92

Dilution involves adding additional to a solution in order to decrease the concentration of the .

(Short Answer)

4.9/5

(74)

Question 93

Since living cells are surrounded by biological solutions separated by a semipermeable membrane,the osmotic pressure must be higher in the cell than outside the cell membrane.

(True/False)

4.8/5

(89)

Question 94

If the attractive forces between the ions and water are stronger than the attraction between the ions in the crystal,an ionic compound dissolves in water.

(True/False)

4.7/5

(93)

Question 95

When calculating the concentration of a solution in units of parts per million,the "parts" must be expressed in units of grams.

(True/False)

4.7/5

(72)

Question 96

A particular wine contains 11.2% (v/v)ethanol. What volume of ethanol is in a 750.-mL bottle of this wine?

(Multiple Choice)

4.8/5

(85)

Question 97

Which of the following statements concerning solution concentration is NOT true?

(Multiple Choice)

4.9/5

(78)

Question 98

Showing 81 - 98 of 98

Exam 8: Solutions

A flask contains two compartments (A and B)with equal volumes of solution separated by a semipermeable membrane. Which diagram represents the final level of the liquids if A is initially a 10% (w/v)glucose solution and B is initially a 20% (w/v)glucose solution?

Ringer's solution is an aqueous solution of NaCl,KCl,and CaCl2 that is used for treating burns and wounds. The solvent in this solution is ________.

In solution formation,solvation always releases more energy than that required to separate particles,so the overall process is always exothermic.

When two substances form a solution,the substance present in the lesser amount is called the ________,and the substance present in the larger amount is the ________.

What is the concentration of a solution formed by adding 65.0 mL of water to 25.0 mL of a 3.2 M NaCl solution?

Which ionic compound is not soluble in water?

If cells are placed in a hypertonic solution,________.

What is the molarity of a 25.0% (v/v)aqueous isopropyl alcohol solution? The density of isopropyl alcohol (C3H8O,molar mass 60.09 g/mol)is 0.786 g/mL.

Which of the following describes an unsaturated solution?

Red Blood Cells are placed into a solution,and the cells begin to swell in a process called hemolysis. How should the solution be classified?

A nonvolatile solute makes it harder for solvent molecules to form a crystalline solid,thus decreasing its melting point.

Sodium chloride is soluble in nonpolar solvents such as octane (C8H18).

Dilution involves adding additional ________ to a solution in order to decrease the concentration of the ________.

Since living cells are surrounded by biological solutions separated by a semipermeable membrane,the osmotic pressure must be higher in the cell than outside the cell membrane.

If the attractive forces between the ions and water are stronger than the attraction between the ions in the crystal,an ionic compound dissolves in water.

When calculating the concentration of a solution in units of parts per million,the "parts" must be expressed in units of grams.

A particular wine contains 11.2% (v/v)ethanol. What volume of ethanol is in a 750.-mL bottle of this wine?

Which of the following statements concerning solution concentration is NOT true?

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

Filters

Ringer's solution is an aqueous solution of NaCl,KCl,and CaCl₂ that is used for treating burns and wounds. The solvent in this solution is ________.

When two substances form a solution,the substance present in the lesser amount is called the ,and the substance present in the larger amount is the .

What is the molarity of a 25.0% (v/v)aqueous isopropyl alcohol solution? The density of isopropyl alcohol (C₃H₈O,molar mass 60.09 g/mol)is 0.786 g/mL.

Sodium chloride is soluble in nonpolar solvents such as octane (C₈H₁₈).

Dilution involves adding additional to a solution in order to decrease the concentration of the .