Question 1

All of the following solutions are 0.025 M, which of the solutions contains the highest concentration of OH-?

Accepted Answer

A)  acetic acid (pH 3.17) 
B)  ascorbic acid (pH 6.70) 
C)  phenol (pH 5.73) 
D)  iodic acid (pH 1.60) 
A)  acetic acid (pH 3.17) 
B)  ascorbic acid (pH 6.70) 
C)  phenol (pH 5.73) 
D)  iodic acid (pH 1.60) B

Question 2

Which of the following is characteristic of a buffer?

Accepted Answer

A)  The pH will go down significantly when H3O+ is added to the buffer. 
B)  The pH will go down very slightly when H3O+ is added to a buffer. 
C)  The pH will go up significantly when H3O+ is added to the buffer. 
D)  The pH will go up very slightly when H3O+ is added to the buffer. 
A)  The pH will go down significantly when H3O+ is added to the buffer. 
B)  The pH will go down very slightly when H3O+ is added to a buffer. 
C)  The pH will go up significantly when H3O+ is added to the buffer. 
D)  The pH will go up very slightly when H3O+ is added to the buffer. B

Question 3

Which of the following solutions is the most alkaline?

Accepted Answer

A)  coffee (pH 5.12) 
B)  urine (pH 7.24) 
C)  dishwasher detergent (pH 2.38) 
D)  drain cleaner (pH 10.24) 
A)  coffee (pH 5.12) 
B)  urine (pH 7.24) 
C)  dishwasher detergent (pH 2.38) 
D)  drain cleaner (pH 10.24) D

Question 4

NaOH and H2SO4 are mixed and allowed to react. How many grams of NaOH are required to neutralize 17.25 g of H2SO4?

Accepted Answer

Question 5

If you dissolve 0.10 mol of a generic acid HA in 1.0 L of solution, the pH is 3.5. Is HA a strong or weak acid? Explain your answer.

Accepted Answer

HA is a weak acid that is only partially

Question 6

Which of the following is a cause of respiratory acidosis?

Accepted Answer

A)  a poor diet 
B)  hyperventilation 
C)  hypoventilation 
D)  intense exercise 
A)  a poor diet 
B)  hyperventilation 
C)  hypoventilation 
D)  intense exercise

Question 7

The following represents the structure of a hydronium ion.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is the conjugate base of H3PO4?

Accepted Answer

A)  H2PO4- 
B)  HPO42- 
C)  PO43- 
D)  OH- 
E)  both H2PO4- and HPO42- 
A)  H2PO4- 
B)  HPO42- 
C)  PO43- 
D)  OH- 
E)  both H2PO4- and HPO42-

Question 9

A sodium hydroxide solution has a pH of 12.40, what is the OH- concentration in this solution?

Accepted Answer

A)  4.0 × 101 M 
B)  4.0 × 10-13 M 
C)  2.5 × 10- 2 M 
D)  2.5 × 1012 M 
A)  4.0 × 101 M 
B)  4.0 × 10-13 M 
C)  2.5 × 10- 2 M 
D)  2.5 × 1012 M

Question 10

When fumaric acid, H2C4H2O4 reacts with NaOH, the second reaction that occurs is

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 11

When a solution of HF (a weak acid) is added to a solution containing HPO42- (here, a base), the equation for reaction that occurs is:

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 12

Consider the following reaction. CH3OH(l) + CH3OH(l)   CH3O-(l) + CH3OH2+(l)
This reaction could be classified as both an autoionization reaction and a proton transfer reaction.

Accepted Answer

A) True 
 B)False

Question 13

When a solution of KOH is added to a solution of HCO2H (formic acid), which of the following would be shown in the molecular equation as a product of the reaction?

Accepted Answer

A)  H2O 
B)  KH 
C)  K- 
D)  KCO2H 
E)  both H2O and KCO2H
F) both H2O and KH 
A)  H2O 
B)  KH 
C)  K- 
D)  KCO2H 
E)  both H2O and KCO2H
F) both H2O and KH

Question 14

Write the equation for the ionization of the weak acid, formic acid, HCHO2, in water.

Accepted Answer

HCHO₂(aq) +

Question 15

When LiOH reacts with HNO3, the molecular equation for the reaction is:

Accepted Answer

A)  H+ + OH- → H2O 
B)  Li+ + NO3- → LiNO3 
C)  LiOH + HNO3 → LiNO3 + H2O 
D)  LiOH → Li+ + OH- 
E)  HNO3 → H+ + NO3-
F) Li+ + OH- + H+ + NO3- → LiNO3+ H2O 
A)  H+ + OH- → H2O 
B)  Li+ + NO3- → LiNO3 
C)  LiOH + HNO3 → LiNO3 + H2O 
D)  LiOH → Li+ + OH- 
E)  HNO3 → H+ + NO3-
F) Li+ + OH- + H+ + NO3- → LiNO3+ H2O

Question 16

In an aqueous solution. the [OH-] is 2.0 × 10-3 M. What is the [H3O+] of this solution?

Accepted Answer

A)  5.0 × 10-12 M 
B)  2.0 × 1011 M 
C)  2.0 × 10-3 M 
D)  5.0 × 1012 M 
A)  5.0 × 10-12 M 
B)  2.0 × 1011 M 
C)  2.0 × 10-3 M 
D)  5.0 × 1012 M

Question 17

Consider the image which depicts the reaction between CH3COOH and H2O. Reactants: Products:     If the composition of the equilibrium mixture is as represented below   CH3COOH is classified as

Accepted Answer

A)  strong electrolyte 
B)  weak electrolyte 
C)  nonelectrolyte 
A)  strong electrolyte 
B)  weak electrolyte 
C)  nonelectrolyte

Question 18

The following solutions are ranked from the most acidic to the most basic. Most acidic urine (pH 5.89) intestine contents (pH 8.06) blood (pH 7.30) Most basic

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is a polyprotic acid?

Accepted Answer

A)  HCl 
B)  HNO3 
C)  H2SO4 
D)  H3PO4 
E)  both c and d 
A)  HCl 
B)  HNO3 
C)  H2SO4 
D)  H3PO4 
E)  both c and d

Question 20

Which of the following is true of a buffer prepared with equal concentrations of an acid and its conjugate base?

Accepted Answer

A)  pH = 7 
B)  pH = pKa 
C)  The pH depends on the concentration of the buffer. 
D)  none of the above 
A)  pH = 7 
B)  pH = pKa 
C)  The pH depends on the concentration of the buffer. 
D)  none of the above

All of the following solutions are 0.025 M, which of the solutions contains the highest concentration of OH^-?

Which of the following is characteristic of a buffer?

Which of the following solutions is the most alkaline?

NaOH and H₂SO₄ are mixed and allowed to react. How many grams of NaOH are required to neutralize 17.25 g of H₂SO₄?

If you dissolve 0.10 mol of a generic acid HA in 1.0 L of solution, the pH is 3.5. Is HA a strong or weak acid? Explain your answer.

Which of the following is a cause of respiratory acidosis?

The following represents the structure of a hydronium ion.

Which of the following is the conjugate base of H₃PO₄?

A sodium hydroxide solution has a pH of 12.40, what is the OH^- concentration in this solution?

When fumaric acid, H₂C₄H₂O₄ reacts with NaOH, the second reaction that occurs is

When a solution of HF (a weak acid) is added to a solution containing HPO₄^2- (here, a base), the equation for reaction that occurs is:

Consider the following reaction. CH₃OH(l) + CH₃OH(l) CH₃O^-(l) + CH₃OH₂⁺(l) This reaction could be classified as both an autoionization reaction and a proton transfer reaction.

When a solution of KOH is added to a solution of HCO₂H (formic acid), which of the following would be shown in the molecular equation as a product of the reaction?

Write the equation for the ionization of the weak acid, formic acid, HCHO₂, in water.

When LiOH reacts with HNO₃, the molecular equation for the reaction is:

In an aqueous solution. the [OH^-] is 2.0 × 10^-3 M. What is the [H₃O⁺] of this solution?

Consider the image which depicts the reaction between CH₃COOH and H₂O. Reactants: Products: If the composition of the equilibrium mixture is as represented below CH₃COOH is classified as

The following solutions are ranked from the most acidic to the most basic. Most acidic urine (pH 5.89) intestine contents (pH 8.06) blood (pH 7.30) Most basic

Which of the following is a polyprotic acid?

Which of the following is true of a buffer prepared with equal concentrations of an acid and its conjugate base?

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Chemical Bonds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Nuclear Chemistry

Hydrocarbons: an Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

Filters

Exam 7: Acids and Bases

All of the following solutions are 0.025 M, which of the solutions contains the highest concentration of OH-?

Which of the following is characteristic of a buffer?

Which of the following solutions is the most alkaline?

NaOH and H2SO4 are mixed and allowed to react. How many grams of NaOH are required to neutralize 17.25 g of H2SO4?

If you dissolve 0.10 mol of a generic acid HA in 1.0 L of solution, the pH is 3.5. Is HA a strong or weak acid? Explain your answer.

Which of the following is a cause of respiratory acidosis?

The following represents the structure of a hydronium ion.

Which of the following is the conjugate base of H3PO4?

A sodium hydroxide solution has a pH of 12.40, what is the OH- concentration in this solution?

When fumaric acid, H2C4H2O4 reacts with NaOH, the second reaction that occurs is

When a solution of HF (a weak acid) is added to a solution containing HPO42- (here, a base), the equation for reaction that occurs is:

Consider the following reaction. CH3OH(l) + CH3OH(l) CH3O-(l) + CH3OH2+(l) This reaction could be classified as both an autoionization reaction and a proton transfer reaction.

When a solution of KOH is added to a solution of HCO2H (formic acid), which of the following would be shown in the molecular equation as a product of the reaction?

Write the equation for the ionization of the weak acid, formic acid, HCHO2, in water.

When LiOH reacts with HNO3, the molecular equation for the reaction is:

In an aqueous solution. the [OH-] is 2.0 × 10-3 M. What is the [H3O+] of this solution?

Consider the image which depicts the reaction between CH3COOH and H2O. Reactants: Products: If the composition of the equilibrium mixture is as represented below CH3COOH is classified as

The following solutions are ranked from the most acidic to the most basic. Most acidic urine (pH 5.89) intestine contents (pH 8.06) blood (pH 7.30) Most basic

Which of the following is a polyprotic acid?

Which of the following is true of a buffer prepared with equal concentrations of an acid and its conjugate base?

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Chemical Bonds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Nuclear Chemistry

Hydrocarbons: an Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

Filters

All of the following solutions are 0.025 M, which of the solutions contains the highest concentration of OH^-?

NaOH and H₂SO₄ are mixed and allowed to react. How many grams of NaOH are required to neutralize 17.25 g of H₂SO₄?

Which of the following is the conjugate base of H₃PO₄?

A sodium hydroxide solution has a pH of 12.40, what is the OH^- concentration in this solution?

When fumaric acid, H₂C₄H₂O₄ reacts with NaOH, the second reaction that occurs is

When a solution of HF (a weak acid) is added to a solution containing HPO₄^2- (here, a base), the equation for reaction that occurs is:

Consider the following reaction. CH₃OH(l) + CH₃OH(l) CH₃O^-(l) + CH₃OH₂⁺(l) This reaction could be classified as both an autoionization reaction and a proton transfer reaction.

When a solution of KOH is added to a solution of HCO₂H (formic acid), which of the following would be shown in the molecular equation as a product of the reaction?

Write the equation for the ionization of the weak acid, formic acid, HCHO₂, in water.

When LiOH reacts with HNO₃, the molecular equation for the reaction is:

In an aqueous solution. the [OH^-] is 2.0 × 10^-3 M. What is the [H₃O⁺] of this solution?

Consider the image which depicts the reaction between CH₃COOH and H₂O. Reactants: Products: If the composition of the equilibrium mixture is as represented below CH₃COOH is classified as