Question 1

Match the following.
-strong electrolyte

Accepted Answer

A) a solution in which more solute can be dissolved 
B) the shrinking of a red blood cell when placed in a solution of greater osmolarity than the cell itself 
C) refers to a solution having a greater osmolarity than 0.30 Osmol,the osmolarity of normal red blood cells 
D) refers to two solutions having the same osmolarity 
E) a substance which dissociates completely in solution,providing a relatively large number of ions to conduct electricity
F)an ionic compound which holds water molecules within its crystalline structure
G)a substance which partially dissociates in solution,providing a relatively small number of ions to conduct electricity
H)the swelling and bursting of a red blood cell when placed in a solution of lower osmolarity than the cell itself
I)an ionic compound which attracts water molecules from the atmosphere
J)a solution in which more solute is dissolved than predicted for that particular temperature
K)a substance which does not dissociate in solution and therefore does not conduct electricity
L)a solution in which no more solute will dissolve and in which excess solute is visible in the container
M)refers to a solution having a lower osmolarity than 30.0 Osmol,the osmolarity of blood serum 
A) a solution in which more solute can be dissolved 
B) the shrinking of a red blood cell when placed in a solution of greater osmolarity than the cell itself 
C) refers to a solution having a greater osmolarity than 0.30 Osmol,the osmolarity of normal red blood cells 
D) refers to two solutions having the same osmolarity 
E) a substance which dissociates completely in solution,providing a relatively large number of ions to conduct electricity
F)an ionic compound which holds water molecules within its crystalline structure
G)a substance which partially dissociates in solution,providing a relatively small number of ions to conduct electricity
H)the swelling and bursting of a red blood cell when placed in a solution of lower osmolarity than the cell itself
I)an ionic compound which attracts water molecules from the atmosphere
J)a solution in which more solute is dissolved than predicted for that particular temperature
K)a substance which does not dissociate in solution and therefore does not conduct electricity
L)a solution in which no more solute will dissolve and in which excess solute is visible in the container
M)refers to a solution having a lower osmolarity than 30.0 Osmol,the osmolarity of blood serum

Question 2

A 50.0 mL sample of a 12.0 M solution of HCl is diluted to 250.mL.What is the new concentration?

Accepted Answer

A) 60.0 M 
B) 12.0 M 
C) 10.4 M 
D) 3.00 M 
E) 2.40 M 
A) 60.0 M 
B) 12.0 M 
C) 10.4 M 
D) 3.00 M 
E) 2.40 M

Question 3

How many grams are contained in one equivalent of iron (III)ion,Fe3+?

Accepted Answer

A) 167.6 g 
B) 55.85 g 
C) 18.62 g 
D) 0.0537 g 
E) 6.02 × 1023 g 
A) 167.6 g 
B) 55.85 g 
C) 18.62 g 
D) 0.0537 g 
E) 6.02 × 1023 g

Question 4

An ionic compounded that attracts atmospheric water strongly is said to be

Accepted Answer

A) diluted. 
B) hygroscopic. 
C) immiscible. 
D) miscible. 
E) soluble. 
A) diluted. 
B) hygroscopic. 
C) immiscible. 
D) miscible. 
E) soluble.

Question 5

The passage of a solvent across a semipermeable membrane because of concentration differences is called

Accepted Answer

A) dialysis. 
B) hemolysis. 
C) hydration. 
D) osmosis. 
E) solvation. 
A) dialysis. 
B) hemolysis. 
C) hydration. 
D) osmosis. 
E) solvation.

Question 6

What is the osmolarity of a 0.20 M solution of KCl?

Accepted Answer

A) 0.10 Osmol 
B) 0.20 Osmol 
C) 0.30 Osmol 
D) 0.40 Osmol 
E) 0.80 Osmol 
A) 0.10 Osmol 
B) 0.20 Osmol 
C) 0.30 Osmol 
D) 0.40 Osmol 
E) 0.80 Osmol

Question 7

Which solution has the greatest osmolarity?

Accepted Answer

A) 0.6 M NaCl 
B) 0.35 M AlCl3 
C) 0.14 M KF 
D) 0.2 M CaBr2 
E) 0.10 M KNO3 
A) 0.6 M NaCl 
B) 0.35 M AlCl3 
C) 0.14 M KF 
D) 0.2 M CaBr2 
E) 0.10 M KNO3

Question 8

Match the following.
-unsaturated

Accepted Answer

A) a solution in which more solute can be dissolved 
B) the shrinking of a red blood cell when placed in a solution of greater osmolarity than the cell itself 
C) refers to a solution having a greater osmolarity than 0.30 Osmol,the osmolarity of normal red blood cells 
D) refers to two solutions having the same osmolarity 
E) a substance which dissociates completely in solution,providing a relatively large number of ions to conduct electricity
F)an ionic compound which holds water molecules within its crystalline structure
G)a substance which partially dissociates in solution,providing a relatively small number of ions to conduct electricity
H)the swelling and bursting of a red blood cell when placed in a solution of lower osmolarity than the cell itself
I)an ionic compound which attracts water molecules from the atmosphere
J)a solution in which more solute is dissolved than predicted for that particular temperature
K)a substance which does not dissociate in solution and therefore does not conduct electricity
L)a solution in which no more solute will dissolve and in which excess solute is visible in the container
M)refers to a solution having a lower osmolarity than 30.0 Osmol,the osmolarity of blood serum 
A) a solution in which more solute can be dissolved 
B) the shrinking of a red blood cell when placed in a solution of greater osmolarity than the cell itself 
C) refers to a solution having a greater osmolarity than 0.30 Osmol,the osmolarity of normal red blood cells 
D) refers to two solutions having the same osmolarity 
E) a substance which dissociates completely in solution,providing a relatively large number of ions to conduct electricity
F)an ionic compound which holds water molecules within its crystalline structure
G)a substance which partially dissociates in solution,providing a relatively small number of ions to conduct electricity
H)the swelling and bursting of a red blood cell when placed in a solution of lower osmolarity than the cell itself
I)an ionic compound which attracts water molecules from the atmosphere
J)a solution in which more solute is dissolved than predicted for that particular temperature
K)a substance which does not dissociate in solution and therefore does not conduct electricity
L)a solution in which no more solute will dissolve and in which excess solute is visible in the container
M)refers to a solution having a lower osmolarity than 30.0 Osmol,the osmolarity of blood serum

Question 9

Which solution is the least concentrated? Each choice refers to the same solute and solvent.

Accepted Answer

A) 2.4 g solute in 2 mL solution 
B) 2.4 g solute in 5 mL solution 
C) 20 g solute in 50 mL solution 
D) 30 g solute in 150 mL solution 
E) 50 g solute in 175 mL solution 
A) 2.4 g solute in 2 mL solution 
B) 2.4 g solute in 5 mL solution 
C) 20 g solute in 50 mL solution 
D) 30 g solute in 150 mL solution 
E) 50 g solute in 175 mL solution

Question 10

How many g of C6H12O6 are needed to prepare 2.50 L of a 5.00% (w/v)solution?

Accepted Answer

A) 1.25 g 
B) 0.200 g 
C) 12.5 g 
D) 125 g 
E) 200.g 
A) 1.25 g 
B) 0.200 g 
C) 12.5 g 
D) 125 g 
E) 200.g

Question 11

Which has the highest boiling point?

Accepted Answer

A) 0.1 M Na2SO4 
B) 0.1 M glucose,C6H12O6 
C) 0.1 M MgCl2 
D) 0.1 M Al(NO3)3 
E) pure water 
A) 0.1 M Na2SO4 
B) 0.1 M glucose,C6H12O6 
C) 0.1 M MgCl2 
D) 0.1 M Al(NO3)3 
E) pure water

Question 12

A 50.0 mL sample of a 6.0 M solution of HCl is diluted to 200.mL.What is the new concentration?

Accepted Answer

A) 24.0 M 
B) 6.0 M 
C) 2.10 M 
D) 2.00 M 
E) 1.50 M 
A) 24.0 M 
B) 6.0 M 
C) 2.10 M 
D) 2.00 M 
E) 1.50 M

Question 13

How many g in 10.0 mEq of Mg2+?

Accepted Answer

A) 0.122 g 
B) 24.3 g 
C) 12.3 g 
D) 0.486 g 
E) 0.243 g 
A) 0.122 g 
B) 24.3 g 
C) 12.3 g 
D) 0.486 g 
E) 0.243 g

Question 14

Which list includes all the pieces of lab equipment needed to prepare 0.100 M H3PO4 from a 5.00 M solution of H3PO4?

Accepted Answer

A) buret; volumetric flask 
B) buret; electronic balance 
C) electronic balance; volumetric flask 
D) electronic balance; graduated cylinder 
E) volumetric pipet and bulb; volumetric flask 
A) buret; volumetric flask 
B) buret; electronic balance 
C) electronic balance; volumetric flask 
D) electronic balance; graduated cylinder 
E) volumetric pipet and bulb; volumetric flask

Question 15

Match the following.
-isotonic

Accepted Answer

A) a solution in which more solute can be dissolved 
B) the shrinking of a red blood cell when placed in a solution of greater osmolarity than the cell itself 
C) refers to a solution having a greater osmolarity than 0.30 Osmol,the osmolarity of normal red blood cells 
D) refers to two solutions having the same osmolarity 
E) a substance which dissociates completely in solution,providing a relatively large number of ions to conduct electricity
F)an ionic compound which holds water molecules within its crystalline structure
G)a substance which partially dissociates in solution,providing a relatively small number of ions to conduct electricity
H)the swelling and bursting of a red blood cell when placed in a solution of lower osmolarity than the cell itself
I)an ionic compound which attracts water molecules from the atmosphere
J)a solution in which more solute is dissolved than predicted for that particular temperature
K)a substance which does not dissociate in solution and therefore does not conduct electricity
L)a solution in which no more solute will dissolve and in which excess solute is visible in the container
M)refers to a solution having a lower osmolarity than 30.0 Osmol,the osmolarity of blood serum 
A) a solution in which more solute can be dissolved 
B) the shrinking of a red blood cell when placed in a solution of greater osmolarity than the cell itself 
C) refers to a solution having a greater osmolarity than 0.30 Osmol,the osmolarity of normal red blood cells 
D) refers to two solutions having the same osmolarity 
E) a substance which dissociates completely in solution,providing a relatively large number of ions to conduct electricity
F)an ionic compound which holds water molecules within its crystalline structure
G)a substance which partially dissociates in solution,providing a relatively small number of ions to conduct electricity
H)the swelling and bursting of a red blood cell when placed in a solution of lower osmolarity than the cell itself
I)an ionic compound which attracts water molecules from the atmosphere
J)a solution in which more solute is dissolved than predicted for that particular temperature
K)a substance which does not dissociate in solution and therefore does not conduct electricity
L)a solution in which no more solute will dissolve and in which excess solute is visible in the container
M)refers to a solution having a lower osmolarity than 30.0 Osmol,the osmolarity of blood serum

Question 16

Which one of the following would act like a strong electrolyte in an aqueous solution?

Accepted Answer

A) KNO3 
B) CH3OH 
C) CCl4 
D) NH3 
A) KNO3 
B) CH3OH 
C) CCl4 
D) NH3

Question 17

How many mL of water should be added to 50.0 mL of a 15.0 M H2SO4 solution to give a final concentration of 0.300 M?

Accepted Answer

A) 950 mL 
B) 1000 mL 
C) 2450 mL 
D) 2500 mL 
E) 2550 mL 
A) 950 mL 
B) 1000 mL 
C) 2450 mL 
D) 2500 mL 
E) 2550 mL

Question 18

What is the molarity of a solution prepared by dissolving 3.50 mol NaCl in enough water to make 1.50 L of solution?

Accepted Answer

A) 0.429 M 
B) 2.33 M 
C) 5.25 M 
D) 87.8 M 
E) 137 M 
A) 0.429 M 
B) 2.33 M 
C) 5.25 M 
D) 87.8 M 
E) 137 M

Question 19

Calculate the concentration in ppm of a pollutant that has been measured at 450 mg per 150 kg of sample.

Accepted Answer

A) 3.0 ppm 
B) 6.0 ppm 
C) 3000 ppm 
D) 330 ppm 
E) none of the above 
A) 3.0 ppm 
B) 6.0 ppm 
C) 3000 ppm 
D) 330 ppm 
E) none of the above

Question 20

Match the following.
-non-electrolyte

Accepted Answer

A) a solution in which more solute can be dissolved 
B) the shrinking of a red blood cell when placed in a solution of greater osmolarity than the cell itself 
C) refers to a solution having a greater osmolarity than 0.30 Osmol,the osmolarity of normal red blood cells 
D) refers to two solutions having the same osmolarity 
E) a substance which dissociates completely in solution,providing a relatively large number of ions to conduct electricity
F)an ionic compound which holds water molecules within its crystalline structure
G)a substance which partially dissociates in solution,providing a relatively small number of ions to conduct electricity
H)the swelling and bursting of a red blood cell when placed in a solution of lower osmolarity than the cell itself
I)an ionic compound which attracts water molecules from the atmosphere
J)a solution in which more solute is dissolved than predicted for that particular temperature
K)a substance which does not dissociate in solution and therefore does not conduct electricity
L)a solution in which no more solute will dissolve and in which excess solute is visible in the container
M)refers to a solution having a lower osmolarity than 30.0 Osmol,the osmolarity of blood serum 
A) a solution in which more solute can be dissolved 
B) the shrinking of a red blood cell when placed in a solution of greater osmolarity than the cell itself 
C) refers to a solution having a greater osmolarity than 0.30 Osmol,the osmolarity of normal red blood cells 
D) refers to two solutions having the same osmolarity 
E) a substance which dissociates completely in solution,providing a relatively large number of ions to conduct electricity
F)an ionic compound which holds water molecules within its crystalline structure
G)a substance which partially dissociates in solution,providing a relatively small number of ions to conduct electricity
H)the swelling and bursting of a red blood cell when placed in a solution of lower osmolarity than the cell itself
I)an ionic compound which attracts water molecules from the atmosphere
J)a solution in which more solute is dissolved than predicted for that particular temperature
K)a substance which does not dissociate in solution and therefore does not conduct electricity
L)a solution in which no more solute will dissolve and in which excess solute is visible in the container
M)refers to a solution having a lower osmolarity than 30.0 Osmol,the osmolarity of blood serum

Exam 9: Solutions

Match the following. -strong electrolyte

A 50.0 mL sample of a 12.0 M solution of HCl is diluted to 250.mL.What is the new concentration?

How many grams are contained in one equivalent of iron (III)ion,Fe3+?

An ionic compounded that attracts atmospheric water strongly is said to be

The passage of a solvent across a semipermeable membrane because of concentration differences is called

What is the osmolarity of a 0.20 M solution of KCl?

Which solution has the greatest osmolarity?

Match the following. -unsaturated

Which solution is the least concentrated? Each choice refers to the same solute and solvent.

How many g of C6H12O6 are needed to prepare 2.50 L of a 5.00% (w/v)solution?

Which has the highest boiling point?

A 50.0 mL sample of a 6.0 M solution of HCl is diluted to 200.mL.What is the new concentration?

How many g in 10.0 mEq of Mg2+?

Which list includes all the pieces of lab equipment needed to prepare 0.100 M H3PO4 from a 5.00 M solution of H3PO4?

Match the following. -isotonic

Which one of the following would act like a strong electrolyte in an aqueous solution?

How many mL of water should be added to 50.0 mL of a 15.0 M H2SO4 solution to give a final concentration of 0.300 M?

What is the molarity of a solution prepared by dissolving 3.50 mol NaCl in enough water to make 1.50 L of solution?

Calculate the concentration in ppm of a pollutant that has been measured at 450 mg per 150 kg of sample.

Match the following. -non-electrolyte

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Amines

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

The Generation of Biochemical Energy

Carbohydrates

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Protein and Amino Acid Metabolism

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

How many grams are contained in one equivalent of iron (III)ion,Fe³⁺?

How many g of C₆H₁₂O₆ are needed to prepare 2.50 L of a 5.00% (w/v)solution?

How many g in 10.0 mEq of Mg²⁺?

Which list includes all the pieces of lab equipment needed to prepare 0.100 M H₃PO₄ from a 5.00 M solution of H₃PO₄?

How many mL of water should be added to 50.0 mL of a 15.0 M H₂SO₄ solution to give a final concentration of 0.300 M?