Question 1

Nitric acid,HNO3,is a weak acid.

Accepted Answer

A) True 
 B)False

Question 2

Water is able to act not only as a solvent but as and acid or base.

Accepted Answer

A) True 
 B)False

Question 3

HCl will react with

Accepted Answer

A)  BaO 
B)  CaCO3 
C)  Mg 
D)  All three are correct. 
A)  BaO 
B)  CaCO3 
C)  Mg 
D)  All three are correct.

Question 4

The cation (positive ion)in a salt comes from _____ .

Accepted Answer

A)  an acid 
B)  a base 
C)  either an acid or a base 
D)  water 
A)  an acid 
B)  a base 
C)  either an acid or a base 
D)  water

Question 5

Which of the following would you expect to be a weak electrolyte?

Accepted Answer

A)  acetic acid 
B)  sodium acetate 
C)  water 
D)  More than one answer is correct. 
A)  acetic acid 
B)  sodium acetate 
C)  water 
D)  More than one answer is correct.

Question 6

How many meq are contained in 25.00 mL of a 0.225 M solution of CaCl2?

Accepted Answer

A)  5.62 * 10-3 meq 
B)  2.81 meq 
C)  1.12 * 10-2 meq 
D)  1.12 * 101 meq 
A)  5.62 * 10-3 meq 
B)  2.81 meq 
C)  1.12 * 10-2 meq 
D)  1.12 * 101 meq

Question 7

The procedure commonly used to determine the amount of base in a solution by adding a measured quantity of acid is called _____ .

Accepted Answer

A)  dissociation 
B)  titration 
C)  ionization 
D)  normalization 
A)  dissociation 
B)  titration 
C)  ionization 
D)  normalization

Question 8

A reaction in which an acid and a base react completely,leaving only a salt and water,is referred to as a(n)

Accepted Answer

A)  hydrolysis reaction. 
B)  neutralization reaction. 
C)  oxidation reaction. 
D)  None of the choices. 
A)  hydrolysis reaction. 
B)  neutralization reaction. 
C)  oxidation reaction. 
D)  None of the choices.

Question 9

What volume of 6.0 M HNO3 would be needed to make 500 mL of 0.50 M solution?

Accepted Answer

A)  6 mL 
B)  417 mL 
C)  42 mL 
D)  6 liters 
A)  6 mL 
B)  417 mL 
C)  42 mL 
D)  6 liters

Question 10

Most acids are weak acids.

Accepted Answer

A) True 
 B)False

Question 11

What would be the pH of a solution of NH4Cl in pure water?

Accepted Answer

A)  higher than 7 
B)  lower than 7 
C)  equal to 7 
D)  can't be predicted 
A)  higher than 7 
B)  lower than 7 
C)  equal to 7 
D)  can't be predicted

Question 12

Antacids contain a substance that neutralizes hydrochloric acid.What is a candidate for use as an antacid?

Accepted Answer

A)  Al(NO3)3 
B)  MgCl2 
C)  Al2(SO4)3 
D)  MgCO3 
A)  Al(NO3)3 
B)  MgCl2 
C)  Al2(SO4)3 
D)  MgCO3

Question 13

In a buffer solution made up of equal concentrations of acetic acid and sodium acetate,NaC2H3O2,which component is used to buffer against added OH-?

Accepted Answer

A)  C2H3O2 
B)  Na+ 
C)  OH- 
D)  HC2H3O2 
A)  C2H3O2 
B)  Na+ 
C)  OH- 
D)  HC2H3O2

Question 14

Which salt shifts the pH when dissolved in water?

Accepted Answer

A)  KCl 
B)  Al(NO3)3 
C)  NaCl 
D)  NaNO3 
A)  KCl 
B)  Al(NO3)3 
C)  NaCl 
D)  NaNO3

Question 15

The salt of a strong acid and a weak base will give an acidic solution.

Accepted Answer

A) True 
 B)False

Question 16

In the following reaction,all substances are soluble,and all dissociate except H2O.Identify the spectator ions.HCl + KOH $\rarr$ KCl + H2O

Accepted Answer

A)  H+ and OH- 
B)  K+ and Cl- 
C)  H+ and K+ 
D)  Cl- and OH- 
A)  H+ and OH- 
B)  K+ and Cl- 
C)  H+ and K+ 
D)  Cl- and OH-

Question 17

A solution has a pH of 11.60.The value of [H+] is _____ .

Accepted Answer

A)  2.5 *10-4 
B)  4.0 * 10-3 
C)  4.0 *10-11 
D)  2.5 *10-12 
A)  2.5 *10-4 
B)  4.0 * 10-3 
C)  4.0 *10-11 
D)  2.5 *10-12

Question 18

Identify all Brønsted base(s)in the reaction.
N3- (aq)+ H2O (l)  
HN3 (aq)+ OH- (aq)

Accepted Answer

A)  H2O 
B) 
  
C)  OH- 
D) 
  and OH- 
A)  H2O 
B) 
  
C)  OH- 
D) 
  and OH-

Question 19

Citrus fruits are high in both citric acid and ascorbic acid (Vitamin C).As such,eating or drinking large amounts of citrus fruits helps strengthen teeth.

Accepted Answer

A) True 
 B)False

Question 20

What is the function of  
In the first ionization of citric acid?

Accepted Answer

A)  The ion serves as an Arrhenius acid in this reaction. 
B)  The ion serves as an Arrhenius base in this reaction. 
C)  The ion serves as the conjugate base of the acid,H3C6H5O7. 
D)  The ion serves as the conjugate acid of the base,H3C6H5O7. 
A)  The ion serves as an Arrhenius acid in this reaction. 
B)  The ion serves as an Arrhenius base in this reaction. 
C)  The ion serves as the conjugate base of the acid,H3C6H5O7. 
D)  The ion serves as the conjugate acid of the base,H3C6H5O7.

Exam 9: Acids,bases,and Salts

Nitric acid,HNO3,is a weak acid.

Water is able to act not only as a solvent but as and acid or base.

HCl will react with

The cation (positive ion)in a salt comes from _____ .

Which of the following would you expect to be a weak electrolyte?

How many meq are contained in 25.00 mL of a 0.225 M solution of CaCl2?

The procedure commonly used to determine the amount of base in a solution by adding a measured quantity of acid is called _____ .

A reaction in which an acid and a base react completely,leaving only a salt and water,is referred to as a(n)

What volume of 6.0 M HNO3 would be needed to make 500 mL of 0.50 M solution?

Most acids are weak acids.

What would be the pH of a solution of NH4Cl in pure water?

Antacids contain a substance that neutralizes hydrochloric acid.What is a candidate for use as an antacid?

In a buffer solution made up of equal concentrations of acetic acid and sodium acetate,NaC2H3O2,which component is used to buffer against added OH-?

Which salt shifts the pH when dissolved in water?

The salt of a strong acid and a weak base will give an acidic solution.

In the following reaction,all substances are soluble,and all dissociate except H2O.Identify the spectator ions.HCl + KOH →\rarr→ KCl + H2O

A solution has a pH of 11.60.The value of [H+] is _____ .

Identify all Brønsted base(s)in the reaction. N3- (aq)+ H2O (l) HN3 (aq)+ OH- (aq)

Citrus fruits are high in both citric acid and ascorbic acid (Vitamin C).As such,eating or drinking large amounts of citrus fruits helps strengthen teeth.

What is the function of In the first ionization of citric acid?

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

Nitric acid,HNO₃,is a weak acid.

How many meq are contained in 25.00 mL of a 0.225 M solution of CaCl₂?

What volume of 6.0 M HNO₃ would be needed to make 500 mL of 0.50 M solution?

What would be the pH of a solution of NH₄Cl in pure water?

In a buffer solution made up of equal concentrations of acetic acid and sodium acetate,NaC₂H₃O₂,which component is used to buffer against added OH^-?

In the following reaction,all substances are soluble,and all dissociate except H₂O.Identify the spectator ions.HCl + KOH $\rarr$ KCl + H₂O

A solution has a pH of 11.60.The value of [H⁺] is _____ .

Identify all Brønsted base(s)in the reaction. N₃^- (aq)+ H₂O (l) HN₃ (aq)+ OH^- (aq)