Question 1

What is the final concentration of a solution prepared by adding water to 50.0 mL of 1.5 M NaOH to make 1.00 L of solution?

Accepted Answer

A) 0.075 M 
B) 0.030 M 
C) 1.5 M 
D) 7.5 M 
E) 30 M 
A) 0.075 M 
B) 0.030 M 
C) 1.5 M 
D) 7.5 M 
E) 30 M

Question 2

Which is not an example of a solution?

Accepted Answer

A) the mixture of gases in a SCUBA diving tank 
B) a coin made from nickel and copper 
C) spring water purchased at a supermarket 
D) antifreeze in a car radiator 
E) none of the above 
A) the mixture of gases in a SCUBA diving tank 
B) a coin made from nickel and copper 
C) spring water purchased at a supermarket 
D) antifreeze in a car radiator 
E) none of the above

Question 3

Match the following.
-hemolysis

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 4

Consider the following four liquids:
Water: highly polar; H-bonding
Hexanol: slightly polar; some H-bonding
Chloroform: slightly polar; no H-bonding
Octane: non-polar; no H-bonding
Which pair of liquids is immiscible?

Accepted Answer

A) water and octane 
B) water and hexanol 
C) hexanol and chloroform 
D) chloroform and octane 
E) none of the above 
A) water and octane 
B) water and hexanol 
C) hexanol and chloroform 
D) chloroform and octane 
E) none of the above

Question 5

How many moles of HCl are present in 35.5 mL of a 0.200 M solution?

Accepted Answer

A) 0.236 mol 
B) 0.178 mol 
C) 0.974 mol 
D) 0.00710 mol 
E) 0.195 mol 
A) 0.236 mol 
B) 0.178 mol 
C) 0.974 mol 
D) 0.00710 mol 
E) 0.195 mol

Question 6

In general,the solubility of ________ in water decreases as temperature increases.

Accepted Answer

A) gases 
B) solids 
C) liquids 
D) none of these 
E) all of these 
A) gases 
B) solids 
C) liquids 
D) none of these 
E) all of these

Question 7

How many mL of a 0.200 M HNO3 solution contains 10.0 g of HNO3?

Accepted Answer

A) 2.00 mL 
B) 31.7 mL 
C) 159 mL 
D) 315 mL 
E) 793 mL 
A) 2.00 mL 
B) 31.7 mL 
C) 159 mL 
D) 315 mL 
E) 793 mL

Question 8

Which solution will have the lowest boiling point?

Accepted Answer

A) 0.050 M KNO3 
B) 0.075 M CaCl2 
C) 0.025 M NH4NO3 
D) 0.020 M Na3PO4 
E) 0.10 M C6H12O6 
A) 0.050 M KNO3 
B) 0.075 M CaCl2 
C) 0.025 M NH4NO3 
D) 0.020 M Na3PO4 
E) 0.10 M C6H12O6

Question 9

A substance represented by a formula written as MS1U1B1xS1U1B0

Accepted Answer

A) colloid. 
B) solid hydrate. 
C) solute. 
D) solvent. 
E) suspension. 
A) colloid. 
B) solid hydrate. 
C) solute. 
D) solvent. 
E) suspension.

Question 10

How many mL of 14.5 M NH3 are needed to prepare 2.00 L of a 1.00 M solution?

Accepted Answer

A) 138 mL 
B) 69.0 mL 
C) 276 mL 
D) 29.0 mL 
E) 7.25 mL 
A) 138 mL 
B) 69.0 mL 
C) 276 mL 
D) 29.0 mL 
E) 7.25 mL

Question 11

How many grams of NaOH are needed to make 750 mL of a 2.5% (w/v)solution?

Accepted Answer

A) 3.9 g 
B) 7.5 g 
C) 19 g 
D) 20 g 
E) 50 g 
A) 3.9 g 
B) 7.5 g 
C) 19 g 
D) 20 g 
E) 50 g

Question 12

How many mL of 16 M NH3 are needed to prepare 2.00 L of a 2.00 M solution?

Accepted Answer

A) 250 mL 
B) 125 mL 
C) 16 mL 
D) 8.0 mL 
E) 4.0 mL 
A) 250 mL 
B) 125 mL 
C) 16 mL 
D) 8.0 mL 
E) 4.0 mL

Question 13

Match the following.
-hygroscopic

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 14

All of the statements about molarity are correct except

Accepted Answer

A) the abbreviation is M. 
B) the interpretation of the symbol is "moles of solute per mole of solvent." 
C) moles = molarity × volume. 
D) volume = moles/molarity. 
E) the molarity of a diluted solution is less than the molarity of the original solution. 
A) the abbreviation is M. 
B) the interpretation of the symbol is "moles of solute per mole of solvent." 
C) moles = molarity × volume. 
D) volume = moles/molarity. 
E) the molarity of a diluted solution is less than the molarity of the original solution.

Question 15

Which substance is not an electrolyte?

Accepted Answer

A) NaCl 
B) HCl 
C) NH4NO3 
D) KOH 
E) CH4 
A) NaCl 
B) HCl 
C) NH4NO3 
D) KOH 
E) CH4

Question 16

What is the molarity of a solution prepared by dissolving 10.0 g of acetone,C3H6O,in enough water to make 125 mL of solution?

Accepted Answer

A) 4.65 M 
B) 1.38 M 
C) 0.0465 M 
D) 0.0214 M 
E) 0.0125 M 
A) 4.65 M 
B) 1.38 M 
C) 0.0465 M 
D) 0.0214 M 
E) 0.0125 M

Question 17

Match the following.
-supersaturated

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 18

Red blood cells are placed in a solution and neither hemolysis nor crenation occurs.Therefore the solution is

Accepted Answer

A) hypertonic. 
B) hypotonic. 
C) isotonic. 
D) isotopic. 
E) concentrated. 
A) hypertonic. 
B) hypotonic. 
C) isotonic. 
D) isotopic. 
E) concentrated.

Question 19

After swimming in the ocean for several hours,the swimmers noticed that their fingers appeared to be very wrinkled or shriveled up.This is an indication that seawater is ________ relative to the fluid in cells.

Accepted Answer

A) isotonic 
B) hypertonic 
C) hypotonic 
D) none of these 
A) isotonic 
B) hypertonic 
C) hypotonic 
D) none of these

Question 20

How many moles of solute are present in 5.00 L of 6.00 M HCl?

Accepted Answer

A) 0.833 mol 
B) 1.20 mol 
C) 6.00 mol 
D) 5.00 mol 
E) 30.0 mol 
A) 0.833 mol 
B) 1.20 mol 
C) 6.00 mol 
D) 5.00 mol 
E) 30.0 mol

Exam 9: Solutions

What is the final concentration of a solution prepared by adding water to 50.0 mL of 1.5 M NaOH to make 1.00 L of solution?

Which is not an example of a solution?

Match the following. -hemolysis

Consider the following four liquids: Water: highly polar; H-bonding Hexanol: slightly polar; some H-bonding Chloroform: slightly polar; no H-bonding Octane: non-polar; no H-bonding Which pair of liquids is immiscible?

How many moles of HCl are present in 35.5 mL of a 0.200 M solution?

In general,the solubility of ________ in water decreases as temperature increases.

How many mL of a 0.200 M HNO3 solution contains 10.0 g of HNO3?

Which solution will have the lowest boiling point?

A substance represented by a formula written as Mx

How many mL of 14.5 M NH3 are needed to prepare 2.00 L of a 1.00 M solution?

How many grams of NaOH are needed to make 750 mL of a 2.5% (w/v)solution?

How many mL of 16 M NH3 are needed to prepare 2.00 L of a 2.00 M solution?

Match the following. -hygroscopic

All of the statements about molarity are correct except

Which substance is not an electrolyte?

What is the molarity of a solution prepared by dissolving 10.0 g of acetone,C3H6O,in enough water to make 125 mL of solution?

Match the following. -supersaturated

Red blood cells are placed in a solution and neither hemolysis nor crenation occurs.Therefore the solution is

After swimming in the ocean for several hours,the swimmers noticed that their fingers appeared to be very wrinkled or shriveled up.This is an indication that seawater is ________ relative to the fluid in cells.

How many moles of solute are present in 5.00 L of 6.00 M HCl?

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 mL of a 0.200 M HNO₃ solution contains 10.0 g of HNO₃?

A substance represented by a formula written as M_x

How many mL of 14.5 M NH₃ are needed to prepare 2.00 L of a 1.00 M solution?

How many mL of 16 M NH₃ are needed to prepare 2.00 L of a 2.00 M solution?

What is the molarity of a solution prepared by dissolving 10.0 g of acetone,C₃H₆O,in enough water to make 125 mL of solution?