Question 1

When 125 mL of 0.500 M AgNO3 is added to 100.mL of 0.500 M NH4Cl,how many grams of AgCl are formed? AgNO3(aq)+ NH4Cl(aq)→ AgCl(s)+ NH4NO3(aq)

Accepted Answer

A) 7.17 g 
B) 8.96 g 
C) 13.3 g 
D) 25.8 g 
A) 7.17 g 
B) 8.96 g 
C) 13.3 g 
D) 25.8 g

Question 2

If 100.mL of 0.200 M Na2SO4 is added to 200.mL of 0.300 M NaCl,what is the concentration of Na+ ions in the final solution? Assume that the volumes are additive.

Accepted Answer

A) 0.267 M 
B) 0.333 M 
C) 0.500 M 
D) 0.700 M 
A) 0.267 M 
B) 0.333 M 
C) 0.500 M 
D) 0.700 M

Question 3

Box (1)represents 1.0 mL of a solution of particles at a given concentration.  
-Which of the boxes (2)-(5)represents 1.0 mL of the solution that results after (1)has been diluted by adding enough solvent to make 2.0 mL of solution?

Accepted Answer

A) box (2) 
B) box (3) 
C) box (4) 
D) box (5) 
A) box (2) 
B) box (3) 
C) box (4) 
D) box (5)

Question 4

When 200.mL of 1.50 × 10-4 M hydrochloric acid is added to 100.mL of 1.75 × 10-4 M Mg(OH)2,the resulting solution will be

Accepted Answer

A) acidic. 
B) basic. 
C) neutral. 
D) It is impossible to tell from the information given. 
A) acidic. 
B) basic. 
C) neutral. 
D) It is impossible to tell from the information given.

Question 5

A student prepared a stock solution by dissolving 20.0 g of NaOH in enough water to make 150.mL of solution.She then took 15.0 mL of the stock solution and diluted it with enough water to make 65.0 mL of a final solution.What is the concentration of NaOH for the final solution?

Accepted Answer

A) 0.769 M 
B) 0.548 M 
C) 1.40 M 
D) 1.82 M 
A) 0.769 M 
B) 0.548 M 
C) 1.40 M 
D) 1.82 M

Question 6

Which of the following is not a strong acid?

Accepted Answer

A) HF 
B) HCl 
C) HBr 
D) HI 
A) HF 
B) HCl 
C) HBr 
D) HI

Question 7

Predict the products of a reaction between Sr(NO3)2(aq)and Rb2SO4(aq).

Accepted Answer

A) Sr(s),RbNO3(aq)and Rb2SO3(aq) 
B) SrSO3(s)and RbNO2(aq) 
C) SrSO3(s)and RbNO3(aq) 
D) SrSO4(s)and RbNO3(aq) 
A) Sr(s),RbNO3(aq)and Rb2SO3(aq) 
B) SrSO3(s)and RbNO2(aq) 
C) SrSO3(s)and RbNO3(aq) 
D) SrSO4(s)and RbNO3(aq)

Question 8

When 50.0 mL of a 1.00 M solution of Fe(NO3)3 are mixed with 50.0 mL of a 1.00 M solution of NaOH,a precipitate forms.What is the identity of the precipitate? Fe(NO3)3(aq) + 3 NaOH(aq)→ Fe(OH)3(s)+ 3 NaNO3(aq)

Accepted Answer

A) Fe(NO3)3 
B) NaOH 
C) Fe(OH)3 
D) NaNO3 
A) Fe(NO3)3 
B) NaOH 
C) Fe(OH)3 
D) NaNO3

Question 9

-The concentration of an aqueous solution of I3⁻ can be determined by a redox titration with aqueous sodium thiosulfate,Na2S2O3: 2 S2O32- (aq)+ I3⁻ (aq)+ → S4O62- (aq)+ 3 I⁻ (aq)
Assume that the black spheres in the buret represent S2O32- ions,the gray spheres in the flask represent I3- ions,the concentration of the S2O32- ions in the buret is 0.120 M,and the volumes in the buret and the flask are identical.What is the concentration of the I3- in the flask,and what fraction of the S2O32- solution in the buret must be added to the flask to react with all the I3- ions?

Accepted Answer

A) 0.0400 M I3-;1/3 of the S2O32- must be added. 
B) 0.0400 M I3-;2/3 of the S2O32- must be added. 
C) 0.0600 M I3-;1/3 of the S2O32- must be added. 
D) 0.0600 M I3-;2/3 of the S2O32- must be added. 
A) 0.0400 M I3-;1/3 of the S2O32- must be added. 
B) 0.0400 M I3-;2/3 of the S2O32- must be added. 
C) 0.0600 M I3-;1/3 of the S2O32- must be added. 
D) 0.0600 M I3-;2/3 of the S2O32- must be added.

Question 10

Assume that the conductivity of a solution depends only on the total concentration of dissolved ions and that you measure the conductivity of three different solutions while performing titrations in which
I.50.00 mL of 0.100 M aqueous CHS1U1B13S1U1B0COS1U1B12S1U1B0H is titrated by addition of 0.100 M NaOH.
II.50.00 mL of 0.100 M aqueous NaBr is titrated by addition of 0.100 M AgNOS1U1B13S1U1B0.
III.50.00 mL of 0.100 M aqueous CaClS1U1B12S1U1B0 is titrated by addition of 0.100 M NaS1U1B12S1U1B0COS1U1B13S1U1B0.  
-Which of the above graphs corresponds to titration I?

Accepted Answer

A) graph (1) 
B) graph (2) 
C) graph (3) 
D) None of the graphs 
A) graph (1) 
B) graph (2) 
C) graph (3) 
D) None of the graphs

Question 11

The compound K2CO3 is predicted to be soluble based on the solubility guideline that all ________ are soluble.

Accepted Answer

group 1A c

Question 12

Write a net ionic equation for the neutralization reaction of H3PO4(aq)with Ba(OH)2(aq).

Accepted Answer

A) 2 H3PO4(aq)+ 3 Ba(OH)2(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
B) 2 H3PO4(aq)+ 3 Ba2+(aq)+ 6 OH-(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
C) 6 H+(aq)+ 2 PO43-(aq)+ 3 Ba2+(aq)+ 6 OH-(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
D) H+(aq)+ OH-(aq)→ H2O(l) 
A) 2 H3PO4(aq)+ 3 Ba(OH)2(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
B) 2 H3PO4(aq)+ 3 Ba2+(aq)+ 6 OH-(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
C) 6 H+(aq)+ 2 PO43-(aq)+ 3 Ba2+(aq)+ 6 OH-(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
D) H+(aq)+ OH-(aq)→ H2O(l)

Question 13

Which one of the following compounds is soluble in water?

Accepted Answer

A) BaSO4 
B) AgCl 
C) Pb(ClO4)2 
D) Ca(OH)2 
A) BaSO4 
B) AgCl 
C) Pb(ClO4)2 
D) Ca(OH)2

Question 14

Ascorbic acid,C6H806,can be represented by the molecular model shown below.If 1.00 mol of ascorbic acid is submitted to combustion analysis,how many moles of CO2 and how many moles of H2O would be formed?

Accepted Answer

A) 3.00 mol CO2 and 2.00 mol H2O 
B) 6.00 mol CO2 and 4.00 mol H2O 
C) 6.00 mol CO2 and 8.00 mol H2O 
D) 12.0 mol CO2 and 10.0 mol H2O 
A) 3.00 mol CO2 and 2.00 mol H2O 
B) 6.00 mol CO2 and 4.00 mol H2O 
C) 6.00 mol CO2 and 8.00 mol H2O 
D) 12.0 mol CO2 and 10.0 mol H2O

Question 15

Because it forms some H+ and OCl- ions when dissolved in water,the molecule HOCl is classified as a(n)________.

Accepted Answer

Question 16

Which contains the greatest number of bromide ions?

Accepted Answer

A) 50 mL of 2.0 M KBr 
B) 100 mL of 1.0 M BaBr2 
C) 20 mL of 2.5 M FeBr3 
D) All contain the same number of chloride ions. 
A) 50 mL of 2.0 M KBr 
B) 100 mL of 1.0 M BaBr2 
C) 20 mL of 2.5 M FeBr3 
D) All contain the same number of chloride ions.

Question 17

When dissolved in water,of HClO4,NH3,KOH,HI,and CH3OH which are bases?

Accepted Answer

A) NH3 and KOH 
B) HClO4 and HI 
C) only HI 
D) NH3,KOH,and CH3OH 
A) NH3 and KOH 
B) HClO4 and HI 
C) only HI 
D) NH3,KOH,and CH3OH

Question 18

The best oxidizing agents are found at the ________ of the activity series.

Accepted Answer

The answer of The best oxidizing agents are found at...

Question 19

If 200.mL of 0.100 M Na2SO4 is added to 200.mL of 0.150 M NaCl,what is the concentration of Na+ ions in the final solution? Assume that the volumes are additive.

Accepted Answer

A) 0.05 M 
B) 0.175 M 
C) 0.125 M 
D) 0.250 M 
A) 0.05 M 
B) 0.175 M 
C) 0.125 M 
D) 0.250 M

Question 20

Write a balanced net ionic equation for the reaction of AgNO3(aq)with LiCl(aq).

Accepted Answer

A) AgNO3(aq)+ LiCl(aq)→ AgCl(aq)+ LiNO3(s) 
B) Ag+(aq)+ NO3-(aq)+ Li+(aq)+ Cl-(aq)→ Ag+(aq)+ Cl-(aq)+ LiNO3(s) 
C) Ag+(aq)+ NO3-(aq)+ Li+(aq)+ Cl-(aq)→ AgBr(s)+ Li+(aq)+ NO3-(aq) 
D) Ag+(aq)+ Br-(aq)→ AgBr(s) 
A) AgNO3(aq)+ LiCl(aq)→ AgCl(aq)+ LiNO3(s) 
B) Ag+(aq)+ NO3-(aq)+ Li+(aq)+ Cl-(aq)→ Ag+(aq)+ Cl-(aq)+ LiNO3(s) 
C) Ag+(aq)+ NO3-(aq)+ Li+(aq)+ Cl-(aq)→ AgBr(s)+ Li+(aq)+ NO3-(aq) 
D) Ag+(aq)+ Br-(aq)→ AgBr(s)

Exam 4: Reactions in Aqueous Solutions

When 125 mL of 0.500 M AgNO3 is added to 100.mL of 0.500 M NH4Cl,how many grams of AgCl are formed? AgNO3(aq)+ NH4Cl(aq)→ AgCl(s)+ NH4NO3(aq)

If 100.mL of 0.200 M Na2SO4 is added to 200.mL of 0.300 M NaCl,what is the concentration of Na+ ions in the final solution? Assume that the volumes are additive.

Box (1)represents 1.0 mL of a solution of particles at a given concentration. -Which of the boxes (2)-(5)represents 1.0 mL of the solution that results after (1)has been diluted by adding enough solvent to make 2.0 mL of solution?

When 200.mL of 1.50 × 10-4 M hydrochloric acid is added to 100.mL of 1.75 × 10-4 M Mg(OH)2,the resulting solution will be

A student prepared a stock solution by dissolving 20.0 g of NaOH in enough water to make 150.mL of solution.She then took 15.0 mL of the stock solution and diluted it with enough water to make 65.0 mL of a final solution.What is the concentration of NaOH for the final solution?

Which of the following is not a strong acid?

Predict the products of a reaction between Sr(NO3)2(aq)and Rb2SO4(aq).

When 50.0 mL of a 1.00 M solution of Fe(NO3)3 are mixed with 50.0 mL of a 1.00 M solution of NaOH,a precipitate forms.What is the identity of the precipitate? Fe(NO3)3(aq) + 3 NaOH(aq)→ Fe(OH)3(s)+ 3 NaNO3(aq)

The compound K2CO3 is predicted to be soluble based on the solubility guideline that all ________ are soluble.

Write a net ionic equation for the neutralization reaction of H3PO4(aq)with Ba(OH)2(aq).

Which one of the following compounds is soluble in water?

Ascorbic acid,C6H806,can be represented by the molecular model shown below.If 1.00 mol of ascorbic acid is submitted to combustion analysis,how many moles of CO2 and how many moles of H2O would be formed?

Because it forms some H+ and OCl- ions when dissolved in water,the molecule HOCl is classified as a(n)________.

Which contains the greatest number of bromide ions?

When dissolved in water,of HClO4,NH3,KOH,HI,and CH3OH which are bases?

The best oxidizing agents are found at the ________ of the activity series.

If 200.mL of 0.100 M Na2SO4 is added to 200.mL of 0.150 M NaCl,what is the concentration of Na+ ions in the final solution? Assume that the volumes are additive.

Write a balanced net ionic equation for the reaction of AgNO3(aq)with LiCl(aq).

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When 125 mL of 0.500 M AgNO₃ is added to 100.mL of 0.500 M NH₄Cl,how many grams of AgCl are formed? AgNO₃(aq)+ NH₄Cl(aq)→ AgCl(s)+ NH₄NO₃(aq)

If 100.mL of 0.200 M Na₂SO₄ is added to 200.mL of 0.300 M NaCl,what is the concentration of Na⁺ ions in the final solution? Assume that the volumes are additive.

When 200.mL of 1.50 × 10^-4 M hydrochloric acid is added to 100.mL of 1.75 × 10^-4 M Mg(OH)₂,the resulting solution will be

Predict the products of a reaction between Sr(NO₃)₂(aq)and Rb₂SO₄(aq).

When 50.0 mL of a 1.00 M solution of Fe(NO₃)₃ are mixed with 50.0 mL of a 1.00 M solution of NaOH,a precipitate forms.What is the identity of the precipitate? Fe(NO₃)₃(aq)+ 3 NaOH(aq)→ Fe(OH)₃(s)+ 3 NaNO₃(aq)

The compound K₂CO₃ is predicted to be soluble based on the solubility guideline that all ________ are soluble.

Write a net ionic equation for the neutralization reaction of H₃PO₄(aq)with Ba(OH)₂(aq).

Ascorbic acid,C₆H₈0₆,can be represented by the molecular model shown below.If 1.00 mol of ascorbic acid is submitted to combustion analysis,how many moles of CO₂ and how many moles of H₂O would be formed?

Because it forms some H⁺ and OCl^- ions when dissolved in water,the molecule HOCl is classified as a(n)________.

When dissolved in water,of HClO₄,NH₃,KOH,HI,and CH₃OH which are bases?

If 200.mL of 0.100 M Na₂SO₄ is added to 200.mL of 0.150 M NaCl,what is the concentration of Na⁺ ions in the final solution? Assume that the volumes are additive.

Write a balanced net ionic equation for the reaction of AgNO₃(aq)with LiCl(aq).