Question 1

Which combination will produce a precipitate?

Accepted Answer

A)  NaOH (aq) and HCl (aq) 
B)  AgNO3 (aq) and Ca(C2H3O2)2 (aq) 
C)  NaC2H3O2 (aq) and HCl (aq) 
D)  KOH (aq) and Mg(NO3)2 (aq) 
E)  NaOH (aq) and HCl (aq). 
A)  NaOH (aq) and HCl (aq) 
B)  AgNO3 (aq) and Ca(C2H3O2)2 (aq) 
C)  NaC2H3O2 (aq) and HCl (aq) 
D)  KOH (aq) and Mg(NO3)2 (aq) 
E)  NaOH (aq) and HCl (aq).

Question 2

How many grams of H3PO4 are in 175 mL of a 3.5 M solution of H3PO4?

Accepted Answer

A)  60 
B)  4.9 
C)  0.61 
D)  20 
E)  612 
A)  60 
B)  4.9 
C)  0.61 
D)  20 
E)  612

Question 3

What mass (g) of potassium chloride is contained in 430 mL of a potassium chloride solution that has a chloride ion concentration of 0.193 M?

Accepted Answer

A)  12.37 
B)  6.19 
C)  0.0830 
D)  0.0643 
E)  0.386 
A)  12.37 
B)  6.19 
C)  0.0830 
D)  0.0643 
E)  0.386

Question 4

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

Accepted Answer

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

Question 5

Aqueous solutions of a compound did not form precipitates with Cl- , Br- , I- , SO42- , CO32- , P O43- , OH- , or S2- . This highly water- soluble compound produced the foul- smelling gas H2S when the solution was acidified. This compound is .

Accepted Answer

A)  AgNO3  
B)  Pb(NO3)2  
C)  Li2CO3  
D)  (NH4)2S 
E)  KBr 
A)  AgNO3  
B)  Pb(NO3)2  
C)  Li2CO3  
D)  (NH4)2S 
E)  KBr

Question 6

The molarity (M) of an aqueous solution containing 52.5 g of sucrose (C12H22O11) in 35.5 mL of solution is _ .

Accepted Answer

A)  0.104 
B)  1.85 
C)  5.46 
D)  4.32 
E)  1.48 
A)  0.104 
B)  1.85 
C)  5.46 
D)  4.32 
E)  1.48

Question 7

is an oxidation reaction.

Accepted Answer

A)  Ice melting in a soft drink 
B)  The reaction of sodium chloride with lead nitrate to form lead chloride and sodium nitrate 
C)  Neutralization of HCl by NaOH 
D)  Rusting of iron 
E)  Table salt dissolving in water for cooking vegetables 
A)  Ice melting in a soft drink 
B)  The reaction of sodium chloride with lead nitrate to form lead chloride and sodium nitrate 
C)  Neutralization of HCl by NaOH 
D)  Rusting of iron 
E)  Table salt dissolving in water for cooking vegetables

Question 8

What is aqua regia?

Accepted Answer

a 3:1 mixture of con

Question 9

Which of the following would require the largest volume of 0.100 M sodium hydroxide solution for neutralization?

Accepted Answer

A)  20.0 mL of 0.0500 M nitric acid 
B)  15.0 mL of 0.0500 M hydrobromic acid 
C)  5.0 mL of 0.0100 M sulfuric acid 
D)  10.0 mL of 0.0500 M perchloric acid 
E)  10.0 mL of 0.0500 M phosphoric acid 
A)  20.0 mL of 0.0500 M nitric acid 
B)  15.0 mL of 0.0500 M hydrobromic acid 
C)  5.0 mL of 0.0100 M sulfuric acid 
D)  10.0 mL of 0.0500 M perchloric acid 
E)  10.0 mL of 0.0500 M phosphoric acid

Question 10

What is the concentration (M) of a NaCl solution prepared by dissolving 7.2 g of NaCl in sufficient water to give 425 mL of solution?

Accepted Answer

The answer of What is the concentration (M) of a...

Question 11

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 12

Which one of the following is a diprotic acid?

Accepted Answer

A)  phosphoric acid 
B)  nitric acid 
C)  sulfuric acid 
D)  chloric acid 
E)  hydrofluroric acid 
A)  phosphoric acid 
B)  nitric acid 
C)  sulfuric acid 
D)  chloric acid 
E)  hydrofluroric acid

Question 13

Of the reactions below, only is not spontaneous.

Accepted Answer

A)  Mg (s) + 2HCl (aq) - MgCl2 (aq) + H2 (g) 
B)  2Ni (s) + H2SO4 (aq) -Ni2SO4 (aq) + H2 (g) 
C)  2Ag (s) + 2HNO3 (aq) - 2AgNO3 (aq) + H2 (g) 
D)  Zn (s) + 2HI (aq) - ZnI2 (aq) + H2 (g) 
E)  2Al (s) + 6HBr (aq) - 2AlBr3 (aq) + 3H2 (g) 
A)  Mg (s) + 2HCl (aq) - MgCl2 (aq) + H2 (g) 
B)  2Ni (s) + H2SO4 (aq) -Ni2SO4 (aq) + H2 (g) 
C)  2Ag (s) + 2HNO3 (aq) - 2AgNO3 (aq) + H2 (g) 
D)  Zn (s) + 2HI (aq) - ZnI2 (aq) + H2 (g) 
E)  2Al (s) + 6HBr (aq) - 2AlBr3 (aq) + 3H2 (g)

Question 14

When aqueous solutions of are mixed, a precipitate forms.

Accepted Answer

A)  NaI and KBr 
B)  KOH and Ba(NO3)2 
C)  K2SO4 and CrCl3 
D)  Li2CO3 and CsI 
E)  NiBr2 and AgNO3 
A)  NaI and KBr 
B)  KOH and Ba(NO3)2 
C)  K2SO4 and CrCl3 
D)  Li2CO3 and CsI 
E)  NiBr2 and AgNO3

Question 15

What is the concentration (M) of CH3OH in a solution prepared by dissolving 11.7 g of CH3OH in sufficient water to give exactly 230 mL of solution?

Accepted Answer

A)  11.9 
B)  11.9 × 10- 3 
C)  1.59 
D)  0.0841 
E)  1.59 × 10- 3 
A)  11.9 
B)  11.9 × 10- 3 
C)  1.59 
D)  0.0841 
E)  1.59 × 10- 3

Question 16

Which one of the following compounds is insoluble in water?

Accepted Answer

A)  K2SO4  
B)  ZnS 
C)  AgNO3  
D)  Na2CO3  
E)  Fe(NO3)3 
A)  K2SO4  
B)  ZnS 
C)  AgNO3  
D)  Na2CO3  
E)  Fe(NO3)3

Question 17

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

Question 18

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 19

Of the choices below, which would be the best for the lining of a tank intended for use in storage of hydrochloric acid?

Accepted Answer

A)  tin 
B)  copper 
C)  iron 
D)  zinc 
E)  nickel 
A)  tin 
B)  copper 
C)  iron 
D)  zinc 
E)  nickel

Question 20

A 17.5 mL sample of an acetic acid (CH3CO2H) solution required 29.6 mL of 0.250 M NaOH for neutralization. The concentration of acetic acid was _ _ M.

Accepted Answer

A)  6.8 
B)  0.15 
C)  0.21 
D)  0.42 
E)  130 
A)  6.8 
B)  0.15 
C)  0.21 
D)  0.42 
E)  130

Exam 4: Aqueous Reactions and Solution Stoichiometry

Which combination will produce a precipitate?

How many grams of H3PO4 are in 175 mL of a 3.5 M solution of H3PO4?

What mass (g) of potassium chloride is contained in 430 mL of a potassium chloride solution that has a chloride ion concentration of 0.193 M?

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

Aqueous solutions of a compound did not form precipitates with Cl- , Br- , I- , SO42- , CO32- , P O43- , OH- , or S2- . This highly water- soluble compound produced the foul- smelling gas H2S when the solution was acidified. This compound is .

The molarity (M) of an aqueous solution containing 52.5 g of sucrose (C12H22O11) in 35.5 mL of solution is _ .

is an oxidation reaction.

What is aqua regia?

Which of the following would require the largest volume of 0.100 M sodium hydroxide solution for neutralization?

What is the concentration (M) of a NaCl solution prepared by dissolving 7.2 g of NaCl in sufficient water to give 425 mL of solution?

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

Which one of the following is a diprotic acid?

Of the reactions below, only is not spontaneous.

When aqueous solutions of are mixed, a precipitate forms.

What is the concentration (M) of CH3OH in a solution prepared by dissolving 11.7 g of CH3OH in sufficient water to give exactly 230 mL of solution?

Which one of the following compounds is insoluble in water?

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.

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

Of the choices below, which would be the best for the lining of a tank intended for use in storage of hydrochloric acid?

A 17.5 mL sample of an acetic acid (CH3CO2H) solution required 29.6 mL of 0.250 M NaOH for neutralization. The concentration of acetic acid was _ _ M.

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

How many grams of H₃PO₄are in 175 mL of a 3.5 M solution of H₃PO₄?

Aqueous solutions of a compound did not form precipitates with Cl^-, Br^-, I^-, SO₄²^-, CO₃²^-, P O₄³^-, OH^-, or S²^-. This highly water- soluble compound produced the foul- smelling gas H₂S when the solution was acidified. This compound is .

The molarity (M) of an aqueous solution containing 52.5 g of sucrose (C₁₂H₂₂O₁₁) in 35.5 mL of solution is _ .

What is the concentration (M) of CH₃OH in a solution prepared by dissolving 11.7 g of CH₃OH in sufficient water to give exactly 230 mL of solution?

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

A 17.5 mL sample of an acetic acid (CH₃CO₂H) solution required 29.6 mL of 0.250 M NaOH for neutralization. The concentration of acetic acid was _ _ M.