Question 1

When dissolved in water,LiOH behaves as

Accepted Answer

A) an acid that forms Li+ and OH- ions. 
B) an acid that forms LiO- and H+ ions. 
C) a base that forms Li+ and OH- ions. 
D) a base that forms LiO- and H+ ions. 
A) an acid that forms Li+ and OH- ions. 
B) an acid that forms LiO- and H+ ions. 
C) a base that forms Li+ and OH- ions. 
D) a base that forms LiO- and H+ ions.

Question 2

What is the molar concentration of sodium ions in a 0.350 M Na3PO4 solution?

Accepted Answer

A) 0.117 M 
B) 0.350 M 
C) 1.05 M 
D) 1.40 M 
A) 0.117 M 
B) 0.350 M 
C) 1.05 M 
D) 1.40 M

Question 3

Balance the chemical equation given below,and determine the number of milliliters of 0.0600 M phosphoric acid required to neutralize 25.00 mL of 0.0150 M calcium hydroxide. ________ Ca(OH)2(aq)+ ________ H3PO4(aq)→ ________ Ca3(PO4)2(s)+ ________ H2O(l)

Accepted Answer

A) 1.69 mL 
B) 4.17 mL 
C) 6.25 mL 
D) 12.50 mL 
A) 1.69 mL 
B) 4.17 mL 
C) 6.25 mL 
D) 12.50 mL

Question 4

In which compound is the oxidation state of oxygen not -2?

Accepted Answer

A) MgO 
B) Na2O 
C) K2O2 
D) Al2O3 
A) MgO 
B) Na2O 
C) K2O2 
D) Al2O3

Question 5

How many grams of AgNO3 are needed to make 250.mL of a solution that is 0.140 M?

Accepted Answer

A) 0.0951 g 
B) 0.168 g 
C) 5.95 g 
D) 95.1 g 
A) 0.0951 g 
B) 0.168 g 
C) 5.95 g 
D) 95.1 g

Question 6

The reaction HNO3(aq)+ KOH(aq)→ KNO3(aq)+ H2O(l)is best classified as a(n)

Accepted Answer

A) acid-base neutralization reaction. 
B) oxidation-reduction reaction. 
C) precipitation reaction. 
D) single replacement reaction. 
A) acid-base neutralization reaction. 
B) oxidation-reduction reaction. 
C) precipitation reaction. 
D) single replacement reaction.

Question 7

How many milliliters of 0.300 M Li2S are needed to react with 25.00 mL of 0.315 M AgNO3? Li2S(aq)+ 2 AgNO3(aq)→ 2 LiNO3(aq)+ Ag2S(s)

Accepted Answer

A) 13.1 mL 
B) 226.2 mL 
C) 6.05 mL 
D) 1.31 mL 
A) 13.1 mL 
B) 226.2 mL 
C) 6.05 mL 
D) 1.31 mL

Question 8

CH3CO2H is an example of a ________ electrolyte.

Accepted Answer

Question 9

For the following reaction,the acid is ________ and the base is ________.
CH3CO2H(aq)+ Ca(OH)2(aq)→ Ca(CH3CO2)2(aq)+ 2 H2O(l)

Accepted Answer

CH₃CO₂H(aq),

Question 10

Which of the compounds H3PO4,Mg(OH)2,LiOH,and HCl,behave as bases when they are dissolved in water?

Accepted Answer

A) Mg(OH)2 and LiOH 
B) H3PO4   and HCl 
C) only HCl 
D) only LiOH 
A) Mg(OH)2 and LiOH 
B) H3PO4   and HCl 
C) only HCl 
D) only LiOH

Question 11

Using the following portion of the activity series for oxidation half reactions Li(s)→ Li+(aq)+ e-
Al(s)→ Al3+(aq)+ 3e-
Fe(s)→ Fe2+(aq)+ 2e-
Pt(s)→ Pt2+(aq)+ 2e-
Determine which pairs of reactions will occur.

Accepted Answer

A) Al(s)with Fe2+(aq)and Pt(s)with Li+(aq) 
B) Fe(s)with Al(s)and Al3+(aq)with Pt2+(aq) 
C) Fe(s)with Pt2+(aq)and Al(s)with Pt2+(aq) 
D) Li(s)with Al3+(aq)and Fe(s)with Al3+(aq) 
A) Al(s)with Fe2+(aq)and Pt(s)with Li+(aq) 
B) Fe(s)with Al(s)and Al3+(aq)with Pt2+(aq) 
C) Fe(s)with Pt2+(aq)and Al(s)with Pt2+(aq) 
D) Li(s)with Al3+(aq)and Fe(s)with Al3+(aq)

Question 12

The reaction shown below is classified as a(n)________ reaction.
AgNO3(aq)+ HCl(aq)→ AgCl(s)+ HNO3(aq)

Accepted Answer

Question 13

How many milliliters of 0.550 M hydriodic acid are needed to react with 25.00 mL of 0.330 M CsOH? HI(aq)+ CsOH(aq)→ CsI(aq)+ H2O(l)

Accepted Answer

A) 0.133 mL 
B) 0.0667 mL 
C) 15.0 mL 
D) 41.7 mL 
A) 0.133 mL 
B) 0.0667 mL 
C) 15.0 mL 
D) 41.7 mL

Question 14

Which one of the following compounds is insoluble in water?

Accepted Answer

A) NH4SO4 
B) Ba(OH)2 
C) Ca3(PO4)2 
D) Rb2CO3 
A) NH4SO4 
B) Ba(OH)2 
C) Ca3(PO4)2 
D) Rb2CO3

Question 15

In an acid-base neutralization reaction 23.74 mL of 0.400 M sodium hydroxide reacts with 50.00 mL of sulfuric acid solution.What is the concentration of the H2SO4 solution?

Accepted Answer

A) 0.0950 M 
B) 0.190 M 
C) 0.380 M 
D) 0.760 M 
A) 0.0950 M 
B) 0.190 M 
C) 0.380 M 
D) 0.760 M

Question 16

Which element will react rapidly with aqueous H+ ions and also with liquid H2O?

Accepted Answer

A) Pt 
B) Co 
C) Zn 
D) Ca 
A) Pt 
B) Co 
C) Zn 
D) Ca

Question 17

How many mL of a 0.350 M AlI3 solution are needed to make 700.mL of a solution that is 0.350 M in I- ion?

Accepted Answer

A) 500 mL 
B) 167 mL 
C) 125 mL 
D) It is not possible to make a more concentrated solution from a less concentrated solution. 
A) 500 mL 
B) 167 mL 
C) 125 mL 
D) It is not possible to make a more concentrated solution from a less concentrated solution.

Question 18

Which of the following compounds is an Arrhenius base in water?

Accepted Answer

A) CH3CH3 
B) CH3SH 
C) HOCl 
D) KOH 
A) CH3CH3 
B) CH3SH 
C) HOCl 
D) KOH

Question 19

A student left 40.0 mL of a bottle of 12.0 M HCl out overnight.The next morning,the bottle has only 35.7 mL of liquid left.Assuming that the volume change is only due to loss of water,what will be the molarity if the remaining solution is diluted to 150 mL?

Accepted Answer

A) 6.0 M 
B) 2.86 M 
C) 3.20 M 
D) 12.0 M 
A) 6.0 M 
B) 2.86 M 
C) 3.20 M 
D) 12.0 M

Question 20

Using the following portion of the activity series for oxidation half reactions K(s)→ K+(aq)+ e-
Al(s)→ Al3+(aq)+ 3e-
Fe(s)→ Fe2+(aq)+ 2e-
Sn(s)→ Sn2+(aq)+ 2e- 
Determine which reaction will occur.

Accepted Answer

A) Al3+(aq)with Fe(s) 
B) Al(s)with Sn(s) 
C) K+(aq)with Fe2+(aq) 
D) K(s)with Sn2+(aq) 
A) Al3+(aq)with Fe(s) 
B) Al(s)with Sn(s) 
C) K+(aq)with Fe2+(aq) 
D) K(s)with Sn2+(aq)

Exam 4: Reactions in Aqueous Solutions

When dissolved in water,LiOH behaves as

What is the molar concentration of sodium ions in a 0.350 M Na3PO4 solution?

Balance the chemical equation given below,and determine the number of milliliters of 0.0600 M phosphoric acid required to neutralize 25.00 mL of 0.0150 M calcium hydroxide. ________ Ca(OH)2(aq)+ ________ H3PO4(aq)→ ________ Ca3(PO4)2(s)+ ________ H2O(l)

In which compound is the oxidation state of oxygen not -2?

How many grams of AgNO3 are needed to make 250.mL of a solution that is 0.140 M?

The reaction HNO3(aq)+ KOH(aq)→ KNO3(aq)+ H2O(l)is best classified as a(n)

How many milliliters of 0.300 M Li2S are needed to react with 25.00 mL of 0.315 M AgNO3? Li2S(aq)+ 2 AgNO3(aq)→ 2 LiNO3(aq)+ Ag2S(s)

CH3CO2H is an example of a ________ electrolyte.

For the following reaction,the acid is ________ and the base is ________. CH3CO2H(aq)+ Ca(OH)2(aq)→ Ca(CH3CO2)2(aq)+ 2 H2O(l)

Which of the compounds H3PO4,Mg(OH)2,LiOH,and HCl,behave as bases when they are dissolved in water?

Using the following portion of the activity series for oxidation half reactions Li(s)→ Li+(aq)+ e- Al(s)→ Al3+(aq)+ 3e- Fe(s)→ Fe2+(aq)+ 2e- Pt(s)→ Pt2+(aq)+ 2e- Determine which pairs of reactions will occur.

The reaction shown below is classified as a(n)________ reaction. AgNO3(aq)+ HCl(aq)→ AgCl(s)+ HNO3(aq)

How many milliliters of 0.550 M hydriodic acid are needed to react with 25.00 mL of 0.330 M CsOH? HI(aq)+ CsOH(aq)→ CsI(aq)+ H2O(l)

Which one of the following compounds is insoluble in water?

In an acid-base neutralization reaction 23.74 mL of 0.400 M sodium hydroxide reacts with 50.00 mL of sulfuric acid solution.What is the concentration of the H2SO4 solution?

Which element will react rapidly with aqueous H+ ions and also with liquid H2O?

How many mL of a 0.350 M AlI3 solution are needed to make 700.mL of a solution that is 0.350 M in I- ion?

Which of the following compounds is an Arrhenius base in water?

A student left 40.0 mL of a bottle of 12.0 M HCl out overnight.The next morning,the bottle has only 35.7 mL of liquid left.Assuming that the volume change is only due to loss of water,what will be the molarity if the remaining solution is diluted to 150 mL?

Using the following portion of the activity series for oxidation half reactions K(s)→ K+(aq)+ e- Al(s)→ Al3+(aq)+ 3e- Fe(s)→ Fe2+(aq)+ 2e- Sn(s)→ Sn2+(aq)+ 2e- Determine which reaction will occur.

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What is the molar concentration of sodium ions in a 0.350 M Na₃PO₄ solution?

Balance the chemical equation given below,and determine the number of milliliters of 0.0600 M phosphoric acid required to neutralize 25.00 mL of 0.0150 M calcium hydroxide. Ca(OH)₂(aq)+ H₃PO₄(aq)→ Ca₃(PO₄)₂(s)+ H₂O(l)

How many grams of AgNO₃ are needed to make 250.mL of a solution that is 0.140 M?

The reaction HNO₃(aq)+ KOH(aq)→ KNO₃(aq)+ H₂O(l)is best classified as a(n)

How many milliliters of 0.300 M Li₂S are needed to react with 25.00 mL of 0.315 M AgNO₃? Li₂S(aq)+ 2 AgNO₃(aq)→ 2 LiNO₃(aq)+ Ag₂S(s)

CH₃CO₂H is an example of a ________ electrolyte.

For the following reaction,the acid is and the base is . CH₃CO₂H(aq)+ Ca(OH)₂(aq)→ Ca(CH₃CO₂)₂(aq)+ 2 H₂O(l)

Which of the compounds H₃PO₄,Mg(OH)₂,LiOH,and HCl,behave as bases when they are dissolved in water?

Using the following portion of the activity series for oxidation half reactions Li(s)→ Li⁺(aq)+ e^- Al(s)→ Al³⁺(aq)+ 3e^- Fe(s)→ Fe²⁺(aq)+ 2e^- Pt(s)→ Pt²⁺(aq)+ 2e^- Determine which pairs of reactions will occur.

The reaction shown below is classified as a(n)________ reaction. AgNO₃(aq)+ HCl(aq)→ AgCl(s)+ HNO₃(aq)

How many milliliters of 0.550 M hydriodic acid are needed to react with 25.00 mL of 0.330 M CsOH? HI(aq)+ CsOH(aq)→ CsI(aq)+ H₂O(l)

In an acid-base neutralization reaction 23.74 mL of 0.400 M sodium hydroxide reacts with 50.00 mL of sulfuric acid solution.What is the concentration of the H₂SO₄ solution?

Which element will react rapidly with aqueous H⁺ ions and also with liquid H₂O?

How many mL of a 0.350 M AlI₃ solution are needed to make 700.mL of a solution that is 0.350 M in I^- ion?

Using the following portion of the activity series for oxidation half reactions K(s)→ K⁺(aq)+ e^- Al(s)→ Al³⁺(aq)+ 3e^- Fe(s)→ Fe²⁺(aq)+ 2e^- Sn(s)→ Sn²⁺(aq)+ 2e^- Determine which reaction will occur.