Question 1

With which of the following will the potassium ion form an insoluble salt?

Accepted Answer

A) chloride 
B) sulfate 
C) carbonate 
D) sulfate and carbonate 
E) none of the above 
A) chloride 
B) sulfate 
C) carbonate 
D) sulfate and carbonate 
E) none of the above

Question 2

A solution is prepared by mixing 50.0 mL of 0.100 M HCl and 10.0 mL of 0.200 M NaCl. What is the molarity of chloride ion in this solution?

Accepted Answer

A) 0.183 
B) 8.57 
C) 3.50 
D) 0.0500 
E) 0.117 
A) 0.183 
B) 8.57 
C) 3.50 
D) 0.0500 
E) 0.117

Question 3

Calculate the concentration (M)of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M solution of sodium sulfide to a total volume of 250.0 mL.

Accepted Answer

A) 0.175 
B) 4.37 
C) 0.525 
D) 0.350 
E) 0.874 
A) 0.175 
B) 4.37 
C) 0.525 
D) 0.350 
E) 0.874

Question 4

Calculate the concentration (M)of arsenic acid (H3AsO4)in a solution if 25.00 mL of that solution required 35.21 mL of 0.1894 M KOH for neutralization.

Accepted Answer

Question 5

The solvent in an aqueous solution is __________.

Accepted Answer

The answer of The solvent in an aqueous solution is...

Question 6

The molarity of a solution prepared by diluting 43.72 mL of 5.005 M aqueous K2Cr2O7 to 500. mL is __________.

Accepted Answer

A) 57.2 
B) 0.0044 
C) 0.438 
D) 0.0879 
E) 0.870 
A) 57.2 
B) 0.0044 
C) 0.438 
D) 0.0879 
E) 0.870

Question 7

How many grams of CH3OH must be added to water to prepare 150mL of a solution that is 2.0 M CH3OH?

Accepted Answer

Question 8

Which combination will produce a precipitate?

Accepted Answer

A) NH4OH (aq)and HCl (aq) 
B) AgNO3 (aq)and Ca(C2H3O2)2 (aq) 
C) NaOH (aq)and HCl (aq) 
D) NaCl (aq)and H C2H3O2 (aq) 
E) NaOH (aq)and Fe(NO3)2 (aq) 
A) NH4OH (aq)and HCl (aq) 
B) AgNO3 (aq)and Ca(C2H3O2)2 (aq) 
C) NaOH (aq)and HCl (aq) 
D) NaCl (aq)and H C2H3O2 (aq) 
E) NaOH (aq)and Fe(NO3)2 (aq)

Question 9

How many grams of NaOH (MW = 40.0)are there in 250.0 mL of a 0.275 M NaOH solution?

Accepted Answer

The answer of How many grams of NaOH (MW =...

Question 10

The net ionic equation for the reaction between aqueous nitric acid and aqueous sodium hydroxide is __________.

Accepted Answer

A) H+ (aq)+ HNO3 (aq)+ 2OH- (aq)→ 2 H2O (l)+ NO3- (aq) 
B) HNO3 (aq)+ NaOH (aq)→ NaNO3 (aq)+ H2O (l) 
C) H+ (aq)+ OH- (aq)→ H2O (l) 
D) HNO3 (aq)+ OH- (aq)→ NO3- (aq)+ H2O (l) 
E) H+ (aq)+ Na+ (aq)+OH- (aq)→ H2O (l)+ Na+ (aq) 
A) H+ (aq)+ HNO3 (aq)+ 2OH- (aq)→ 2 H2O (l)+ NO3- (aq) 
B) HNO3 (aq)+ NaOH (aq)→ NaNO3 (aq)+ H2O (l) 
C) H+ (aq)+ OH- (aq)→ H2O (l) 
D) HNO3 (aq)+ OH- (aq)→ NO3- (aq)+ H2O (l) 
E) H+ (aq)+ Na+ (aq)+OH- (aq)→ H2O (l)+ Na+ (aq)

Question 11

What is the concentration (M)of a NaCl solution prepared by dissolving 9.3 g of NaCl in sufficient water to give 350 mL of solution?

Accepted Answer

A) 18 
B) 0.16 
C) 0.45 
D) 27 
E) 2.7 × 10-2 
A) 18 
B) 0.16 
C) 0.45 
D) 27 
E) 2.7 × 10-2

Question 12

There are __________ mol of bromide ions in 0.900 L of a 0.500M solution of AlBr3.

Accepted Answer

Question 13

The compound NH4Cl is a weak acid.

Accepted Answer

A) True 
 B)False

Question 14

Aqueous potassium chloride will react with which one of the following in an exchange (metathesis)reaction?

Accepted Answer

A) calcium nitrate 
B) sodium bromide 
C) lead nitrate 
D) barium nitrate 
E) sodium chloride 
A) calcium nitrate 
B) sodium bromide 
C) lead nitrate 
D) barium nitrate 
E) sodium chloride

Question 15

Which of the following is insoluble in water at 25 °C?

Accepted Answer

A) Mg3(PO4)2 
B) Na2S 
C) (NH4)2CO3 
D) Ca(OH)2 
E) Ba(C2H3O2)2 
A) Mg3(PO4)2 
B) Na2S 
C) (NH4)2CO3 
D) Ca(OH)2 
E) Ba(C2H3O2)2

Question 16

HNO2 is a strong acid.

Accepted Answer

A) True 
 B)False

Question 17

With which of the following will the ammonium ion form an insoluble salt?

Accepted Answer

A) chloride 
B) sulfate 
C) carbonate 
D) sulfate and carbonate 
E) none of the above 
A) chloride 
B) sulfate 
C) carbonate 
D) sulfate and carbonate 
E) none of the above

Question 18

When 0.500 mol of HC2H3O2 is combined with enough water to make a 300.0 mL solution, the concentration of HC2H3O2 is __________ M.

Accepted Answer

A) 3.33 
B) 1.67 
C) 0.835 
D) 0.00167 
E) 0.150 
A) 3.33 
B) 1.67 
C) 0.835 
D) 0.00167 
E) 0.150

Question 19

The net ionic equation for the reaction between aqueous sulfuric acid and aqueous sodium hydroxide is __________.

Accepted Answer

A) H+ (aq)+ HSO4- (aq)+ 2OH- (aq)→ 2 H2O (l)+ SO42- (aq) 
B) H+ (aq)+ HSO4- (aq)+ 2 Na+ (aq)+ 2OH- (aq)→ 2 H2O (l)+ 2Na+ (aq)+ SO42- (aq) 
C) SO42- (aq)+ 2Na+ (aq)→ 2Na+ (aq)+ SO42- (aq) 
D) H+ (aq)+ OH- (aq)→ H2O( l) 
E) 2H+ (aq)+ SO42- (aq)+ 2Na+ (aq)+ 2OH- (aq)→ 2 H2O (l)+ 2Na+ (aq)+ SO42- (aq) 
A) H+ (aq)+ HSO4- (aq)+ 2OH- (aq)→ 2 H2O (l)+ SO42- (aq) 
B) H+ (aq)+ HSO4- (aq)+ 2 Na+ (aq)+ 2OH- (aq)→ 2 H2O (l)+ 2Na+ (aq)+ SO42- (aq) 
C) SO42- (aq)+ 2Na+ (aq)→ 2Na+ (aq)+ SO42- (aq) 
D) H+ (aq)+ OH- (aq)→ H2O( l) 
E) 2H+ (aq)+ SO42- (aq)+ 2Na+ (aq)+ 2OH- (aq)→ 2 H2O (l)+ 2Na+ (aq)+ SO42- (aq)

Question 20

What are the spectator ions in the reaction between KCl (aq)and AgNO3 (aq)?

Accepted Answer

A) K+ and Ag+ 
B) Ag+ and Cl- 
C) K+ and NO3- 
D) Ag+ and NO3- 
E) K+ only 
A) K+ and Ag+ 
B) Ag+ and Cl- 
C) K+ and NO3- 
D) Ag+ and NO3- 
E) K+ only

Exam 4: Aqueous Reactions and Solution Stoichiometry

With which of the following will the potassium ion form an insoluble salt?

A solution is prepared by mixing 50.0 mL of 0.100 M HCl and 10.0 mL of 0.200 M NaCl. What is the molarity of chloride ion in this solution?

Calculate the concentration (M)of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M solution of sodium sulfide to a total volume of 250.0 mL.

Calculate the concentration (M)of arsenic acid (H3AsO4)in a solution if 25.00 mL of that solution required 35.21 mL of 0.1894 M KOH for neutralization.

The solvent in an aqueous solution is __________.

The molarity of a solution prepared by diluting 43.72 mL of 5.005 M aqueous K2Cr2O7 to 500. mL is __________.

How many grams of CH3OH must be added to water to prepare 150mL of a solution that is 2.0 M CH3OH?

Which combination will produce a precipitate?

How many grams of NaOH (MW = 40.0)are there in 250.0 mL of a 0.275 M NaOH solution?

The net ionic equation for the reaction between aqueous nitric acid and aqueous sodium hydroxide is __________.

What is the concentration (M)of a NaCl solution prepared by dissolving 9.3 g of NaCl in sufficient water to give 350 mL of solution?

There are __________ mol of bromide ions in 0.900 L of a 0.500M solution of AlBr3.

The compound NH4Cl is a weak acid.

Aqueous potassium chloride will react with which one of the following in an exchange (metathesis)reaction?

Which of the following is insoluble in water at 25 °C?

HNO2 is a strong acid.

With which of the following will the ammonium ion form an insoluble salt?

When 0.500 mol of HC2H3O2 is combined with enough water to make a 300.0 mL solution, the concentration of HC2H3O2 is __________ M.

The net ionic equation for the reaction between aqueous sulfuric acid and aqueous sodium hydroxide is __________.

What are the spectator ions in the reaction between KCl (aq)and AgNO3 (aq)?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

Calculate the concentration (M)of arsenic acid (H₃AsO₄)in a solution if 25.00 mL of that solution required 35.21 mL of 0.1894 M KOH for neutralization.

The molarity of a solution prepared by diluting 43.72 mL of 5.005 M aqueous K₂Cr₂O₇ to 500. mL is __________.

How many grams of CH₃OH must be added to water to prepare 150mL of a solution that is 2.0 M CH₃OH?

There are __________ mol of bromide ions in 0.900 L of a 0.500M solution of AlBr₃.

The compound NH₄Cl is a weak acid.

HNO₂ is a strong acid.

When 0.500 mol of HC₂H₃O₂ is combined with enough water to make a 300.0 mL solution, the concentration of HC₂H₃O₂ is __________ M.

What are the spectator ions in the reaction between KCl (aq)and AgNO₃ (aq)?