Question 1

What is the % (w/v)concentration of a solution containing 8.0 grams of alcohol in 50.0 mL of solution?

Accepted Answer

A) 2.0% 
B) 4.0% 
C) 8.0% 
D) 16% 
E) 50% 
A) 2.0% 
B) 4.0% 
C) 8.0% 
D) 16% 
E) 50%

Question 2

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 3

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 4

How many grams of water are needed to prepare 250.g of a solution that is 5.00% by mass NaCl?

Accepted Answer

A) 5.00 g 
B) 12.5 g 
C) 238 g 
D) 245 g 
E) 1250 g 
A) 5.00 g 
B) 12.5 g 
C) 238 g 
D) 245 g 
E) 1250 g

Question 5

Which statement about solubility is not true?

Accepted Answer

A) No additional solute will dissolve in a saturated solution. 
B) A supersaturated solution is unstable. 
C) Solubility of ionic solids increases greatly with temperature. 
D) In a solution containing excess solute,an equilibrium exists between dissolved and undissolved solute. 
E) The solubility of substances is measured as g solute/100 mL solvent. 
A) No additional solute will dissolve in a saturated solution. 
B) A supersaturated solution is unstable. 
C) Solubility of ionic solids increases greatly with temperature. 
D) In a solution containing excess solute,an equilibrium exists between dissolved and undissolved solute. 
E) The solubility of substances is measured as g solute/100 mL solvent.

Question 6

What is the final concentration of a solution prepared by using 75.0 mL of 18.0 M H2SO4 to prepare 500.mL of solution?

Accepted Answer

A) 8.33 × 10-3 M 
B) 1.20 M 
C) 2.70 M 
D) 2.35 M 
E) 15.7 M 
A) 8.33 × 10-3 M 
B) 1.20 M 
C) 2.70 M 
D) 2.35 M 
E) 15.7 M

Question 7

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 8

A 20.0 mL sample of CuSO4 was evaporated to dryness,leaving 0.967 g of residue.What was the molarity of the original solution?

Accepted Answer

A) 48.4 M 
B) 0.0207 M 
C) 0.0484 M 
D) 0.303 M 
E) 0.433 M 
A) 48.4 M 
B) 0.0207 M 
C) 0.0484 M 
D) 0.303 M 
E) 0.433 M

Question 9

How many grams of FeSO4 are present in a 20.0 mL sample of a 0.500 M solution?

Accepted Answer

A) 65.8 g 
B) 6.08 g 
C) 3.04 g 
D) 1.52 g 
E) 0.760 g 
A) 65.8 g 
B) 6.08 g 
C) 3.04 g 
D) 1.52 g 
E) 0.760 g

Question 10

How many grams 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

Normal saline is 0.920% (w/v)NaCl in water.How many grams of NaCl are needed to prepare 15.0 L of normal saline?

Accepted Answer

A) 1.38 g 
B) 16.3 g 
C) 53.8 g 
D) 138 g 
E) 807 g 
A) 1.38 g 
B) 16.3 g 
C) 53.8 g 
D) 138 g 
E) 807 g

Question 12

Water can be used to dissolve which type of compounds?

Accepted Answer

A) nonpolar compounds 
B) polar compounds 
C) ionic compounds 
D) both A and B 
E) both B and C 
A) nonpolar compounds 
B) polar compounds 
C) ionic compounds 
D) both A and B 
E) both B and C

Question 13

How many mL of 0.105 M AgNO3 are needed for an experiment that requires 0.00510 mol of AgNO3?

Accepted Answer

A) 0.536 mL 
B) 17.8 mL 
C) 18.70 mL 
D) 20.6 mL 
E) 48.6 mL 
A) 0.536 mL 
B) 17.8 mL 
C) 18.70 mL 
D) 20.6 mL 
E) 48.6 mL

Question 14

How much NaOH is present in a 250.mL sample of a 5.00% (w/v)solution?

Accepted Answer

A) 5.00 g 
B) 10.0 g 
C) 12.5 g 
D) 25.0 g 
E) 250 g 
A) 5.00 g 
B) 10.0 g 
C) 12.5 g 
D) 25.0 g 
E) 250 g

Question 15

Match the following.
-isotonic

Accepted Answer

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

Question 16

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 17

Match the following.
-hemolysis

Accepted Answer

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

Question 18

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 19

How many grams are contained in one equivalent of iron (III)ion,Fe+3?

Accepted Answer

A) 168 g 
B) 55.9g 
C) 18.6g 
D) 0.0537 g 
E) 6.02 × 1023 g 
A) 168 g 
B) 55.9g 
C) 18.6g 
D) 0.0537 g 
E) 6.02 × 1023 g

Question 20

Match the following.
-non-electrolyte

Accepted Answer

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

Exam 9: Solutions

What is the % (w/v)concentration of a solution containing 8.0 grams of alcohol in 50.0 mL of solution?

Which solution will have the lowest boiling point?

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

How many grams of water are needed to prepare 250.g of a solution that is 5.00% by mass NaCl?

Which statement about solubility is not true?

What is the final concentration of a solution prepared by using 75.0 mL of 18.0 M H2SO4 to prepare 500.mL of solution?

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

A 20.0 mL sample of CuSO4 was evaporated to dryness,leaving 0.967 g of residue.What was the molarity of the original solution?

How many grams of FeSO4 are present in a 20.0 mL sample of a 0.500 M solution?

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

Normal saline is 0.920% (w/v)NaCl in water.How many grams of NaCl are needed to prepare 15.0 L of normal saline?

Water can be used to dissolve which type of compounds?

How many mL of 0.105 M AgNO3 are needed for an experiment that requires 0.00510 mol of AgNO3?

How much NaOH is present in a 250.mL sample of a 5.00% (w/v)solution?

Match the following. -isotonic

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

Match the following. -hemolysis

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,Fe+3?

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

Aldehydes and Ketones

Amines

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

Carbohydrates

The Generation of Biochemical Energy

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Protein and Amino Acid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

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

What is the final concentration of a solution prepared by using 75.0 mL of 18.0 M H₂SO₄ to prepare 500.mL of solution?

A 20.0 mL sample of CuSO₄ was evaporated to dryness,leaving 0.967 g of residue.What was the molarity of the original solution?

How many grams of FeSO₄ are present in a 20.0 mL sample of a 0.500 M solution?

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

How many mL of 0.105 M AgNO₃ are needed for an experiment that requires 0.00510 mol of AgNO₃?

How many grams are contained in one equivalent of iron (III)ion,Fe^+3?