Question 1

In the reaction of lead (II) nitrate and potassium bromide, what will be the net ionic equation?

Accepted Answer

A) NO3- + K+ → KNO3 
B) NO3- + 2 K+ → K2NO3 
C) Pb2+ + 2 Br- → PbBr2 
D) Pb+ + Br- → PbBr 
A) NO3- + K+ → KNO3 
B) NO3- + 2 K+ → K2NO3 
C) Pb2+ + 2 Br- → PbBr2 
D) Pb+ + Br- → PbBr

Question 2

What kind of compound is KOH?

Accepted Answer

A) insoluble in water 
B) soluble in non-aqueous solution 
C) soluble in water 
D) a molecular solid 
A) insoluble in water 
B) soluble in non-aqueous solution 
C) soluble in water 
D) a molecular solid

Question 3

If a hydrobromic acid, HBr, solution has a pH = 8.7, what type of acid is it?

Accepted Answer

A) It can't be an acid at all if the pH is 8.7. 
B) It is a strong acid. 
C) It is a weak acid. 
D) None of the above. 
A) It can't be an acid at all if the pH is 8.7. 
B) It is a strong acid. 
C) It is a weak acid. 
D) None of the above.

Question 4

What do the components of the term "pH" mean?

Accepted Answer

The "p" is "the powe

Question 5

When a 25 mL portion of a 2.0 M solution of NaCl is diluted to 100 mL, what is its new molarity?

Accepted Answer

The answer of When a 25 mL portion of a...

Question 6

A solution made from 19.0 g of NaBr and 500 mL of water has what molarity?

Accepted Answer

A) 38.0 M 
B) 0.37 M 
C) 0.038 M 
D) 481.0 M 
A) 38.0 M 
B) 0.37 M 
C) 0.038 M 
D) 481.0 M

Question 7

What is the [H+] of a solution with a pH of 1.0?

Accepted Answer

A) 5 × 10-1 
B) 1 × 10-1 
C) 1 × 10-10 
D) 5 × 10-10 
A) 5 × 10-1 
B) 1 × 10-1 
C) 1 × 10-10 
D) 5 × 10-10

Question 8

Assuming the cations and anions switch in the reaction with reactants AgNO3 + NaI →, the solid product will be NaNO3.

Accepted Answer

A) True 
 B)False

Question 9

What does a buffer solution do, in terms of pH?

Accepted Answer

resists changes in t

Question 10

How should Na2S behave in water?

Accepted Answer

A) It should be insoluble. 
B) It should be a molecular solid. 
C) It should be supersaturatable. 
D) It should be soluble. 
A) It should be insoluble. 
B) It should be a molecular solid. 
C) It should be supersaturatable. 
D) It should be soluble.

Question 11

In the reaction 2 HBr + Fe → H2 + FeBr2, what happened to the Br-?

Accepted Answer

A) It was oxidized. 
B) It was reduced. 
C) It was zeroed. 
D) Nothing. 
A) It was oxidized. 
B) It was reduced. 
C) It was zeroed. 
D) Nothing.

Question 12

Which cation will make an insoluble precipitate with Br- in water?

Accepted Answer

A) Li+ 
B) K+ 
C) Both of the above. 
D) None of the above. 
A) Li+ 
B) K+ 
C) Both of the above. 
D) None of the above.

Question 13

Molecular compounds form ions when they dissolve in water.

Accepted Answer

A) True 
 B)False

Question 14

What is the mathematical relationship between pH and [H+]?

Accepted Answer

Question 15

How does the compound PbCl2 behave in water?

Accepted Answer

A) It is soluble. 
B) It is insoluble. 
C) It is acidic. 
D) It is basic. 
A) It is soluble. 
B) It is insoluble. 
C) It is acidic. 
D) It is basic.

Question 16

In a mixture of two materials in aqueous phase, the one that is present in the largest amount is called _____________.

Accepted Answer

A) the solvated ion 
B) the solute 
C) the solution 
D) the solvent 
A) the solvated ion 
B) the solute 
C) the solution 
D) the solvent

Question 17

What is a compound that does not dissociate into ions in aqueous solution?

Accepted Answer

A) a crystalline compound 
B) a salt 
C) an electrolyte 
D) a non-electrolyte 
A) a crystalline compound 
B) a salt 
C) an electrolyte 
D) a non-electrolyte

Question 18

What does a buffer solution do?

Accepted Answer

A) It slows changes in pH upon addition of further acid. 
B) It promotes changes in pH upon addition of further acid. 
C) It emphasizes changes in pH upon addition of small amounts of acid or base. 
D) It resists changes in pH upon addition of small amounts of acid or base. 
A) It slows changes in pH upon addition of further acid. 
B) It promotes changes in pH upon addition of further acid. 
C) It emphasizes changes in pH upon addition of small amounts of acid or base. 
D) It resists changes in pH upon addition of small amounts of acid or base.

Question 19

Why is a molecular compound like ethylene glycol soluble in water?

Accepted Answer

A) Both are nonpolar molecules. 
B) Both are polar molecules. 
C) Both are small molecules. 
D) Both are liquid-state molecules. 
A) Both are nonpolar molecules. 
B) Both are polar molecules. 
C) Both are small molecules. 
D) Both are liquid-state molecules.

Question 20

A compound with pH = 7.85 has what [H+]?

Accepted Answer

In the reaction of lead (II) nitrate and potassium bromide, what will be the net ionic equation?

What kind of compound is KOH?

If a hydrobromic acid, HBr, solution has a pH = 8.7, what type of acid is it?

What do the components of the term "pH" mean?

When a 25 mL portion of a 2.0 M solution of NaCl is diluted to 100 mL, what is its new molarity?

A solution made from 19.0 g of NaBr and 500 mL of water has what molarity?

What is the [H⁺] of a solution with a pH of 1.0?

Assuming the cations and anions switch in the reaction with reactants AgNO₃ + NaI →, the solid product will be NaNO₃.

What does a buffer solution do, in terms of pH?

How should Na₂S behave in water?

In the reaction 2 HBr + Fe → H₂ + FeBr₂, what happened to the Br^-?

Which cation will make an insoluble precipitate with Br^- in water?

Molecular compounds form ions when they dissolve in water.

What is the mathematical relationship between pH and [H⁺]?

How does the compound PbCl₂ behave in water?

In a mixture of two materials in aqueous phase, the one that is present in the largest amount is called _____________.

What is a compound that does not dissociate into ions in aqueous solution?

What does a buffer solution do?

Why is a molecular compound like ethylene glycol soluble in water?

A compound with pH = 7.85 has what [H⁺]?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters

Exam 6: Aqueous Solutions: Part I

In the reaction of lead (II) nitrate and potassium bromide, what will be the net ionic equation?

What kind of compound is KOH?

If a hydrobromic acid, HBr, solution has a pH = 8.7, what type of acid is it?

What do the components of the term "pH" mean?

When a 25 mL portion of a 2.0 M solution of NaCl is diluted to 100 mL, what is its new molarity?

A solution made from 19.0 g of NaBr and 500 mL of water has what molarity?

What is the [H+] of a solution with a pH of 1.0?

Assuming the cations and anions switch in the reaction with reactants AgNO3 + NaI →, the solid product will be NaNO3.

What does a buffer solution do, in terms of pH?

How should Na2S behave in water?

In the reaction 2 HBr + Fe → H2 + FeBr2, what happened to the Br-?

Which cation will make an insoluble precipitate with Br- in water?

Molecular compounds form ions when they dissolve in water.

What is the mathematical relationship between pH and [H+]?

How does the compound PbCl2 behave in water?

In a mixture of two materials in aqueous phase, the one that is present in the largest amount is called _____________.

What is a compound that does not dissociate into ions in aqueous solution?

What does a buffer solution do?

Why is a molecular compound like ethylene glycol soluble in water?

A compound with pH = 7.85 has what [H+]?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters

What is the [H⁺] of a solution with a pH of 1.0?

Assuming the cations and anions switch in the reaction with reactants AgNO₃ + NaI →, the solid product will be NaNO₃.

How should Na₂S behave in water?

In the reaction 2 HBr + Fe → H₂ + FeBr₂, what happened to the Br^-?

Which cation will make an insoluble precipitate with Br^- in water?

What is the mathematical relationship between pH and [H⁺]?

How does the compound PbCl₂ behave in water?

A compound with pH = 7.85 has what [H⁺]?