Question 1

State whether each of the following compounds is an electrolyte or nonelectrolyte. A) CaCl_{2 ______} B) CO₂ _____ C) H₂SO₄_____ D) C₆H₁₂O₆_____

Accepted Answer

electrolyte; nonelectrolyte; electrolyte; nonelectrolyte

Question 2

Write the net ionic equation for the precipitation of lead(II) iodide from the addition of lead(II) nitrate solution to a potassium iodide solution.

Accepted Answer

Pb²⁺(aq) + 2I^-(aq) → PbI₂(s)

Question 3

Which of the following compounds is a strong electrolyte?

Accepted Answer

A)  HF 
B)  NH3 
C)  NaOH 
D)  CH3CO2H
Enter the appropriate word(s) to complete the statement. C

Question 4

Identify H2CO3 as a strong acid, strong base, weak acid, or weak base.

Accepted Answer

A)  strong acid 
B)  strong base 
C)  weak acid 
D)  weak base

Question 5

Triclosan is an antibacterial agent present in some soaps and surgical cleaning treatments. Calculate the mass of triclosan, C12H7Cl3O2, needed to prepare 750.0 mL of a 5.00 × 10-5 M solution.

Accepted Answer

A)  0.109 g 
B)  0.0109 g 
C)  3.75 × 10-5 g 
D)  6.67 × 10-5 g

Question 6

Hydrofluoric acid is used to etch glass. Concentrated hydrofluoric acid is 28.9 M. If a 500.0-mL sample of 5.75 M HF is needed, how many mL of the concentrated HF should be diluted?

Accepted Answer

A)  0.0100 mL 
B)  83.1 mL 
C)  99.5 mL 
D)  2510 mL

Question 7

Which of the following compound is insoluble in water?

Accepted Answer

A)  Na3PO4 
B)  CaS 
C)  PbSO4 
D)  (NH4)2CrO4

Question 8

A luminol solution is used to detect the presence of blood. What is the molarity of a luminol solution that was made by dissolving 15.5 g of luminol (C8H7N3O2) in water to a final volume of 90.0 mL?

Accepted Answer

A)  0.0875 M 
B)  0.972 M 
C)  0.172 M 
D)  0.00787 M

Question 9

Which of the following is the correct name for the acid H3PO4?

Accepted Answer

A)  hydrophosphoric acid 
B)  phosphoric acid 
C)  phosphate acid 
D)  phosphorous acid

Question 10

What is the pH of a 1.4 M HCl solution?

Accepted Answer

The answer of What is the pH of a 1.4...

Question 11

Which term is used to describe a solution that contains less solute than the maximum amount of solute that can be dissolved?

Accepted Answer

A)  saturated 
B)  supersaturated 
C)  undersaturated 
D)  unsaturated

Question 12

Which of the following compounds is soluble in water?

Accepted Answer

A)  silver chloride 
B)  barium carbonate 
C)  calcium phosphate 
D)  potassium hydroxide

Question 13

What is the pH of a 0.280 M HNO₃ solution?

Accepted Answer

The answer of What is the pH of a 0.280...

Question 14

What is the molarity of a solution prepared by dissolving 29.3 g KCl in water to a final volume of 500.0 mL?

Accepted Answer

A)  0.586 M 
B)  58.6 M 
C)  0.786 M 
D)  0.000786 M

Question 15

What ion would be used to form an insoluble compound with the ion Hg22+?

Accepted Answer

A)  S2- 
B)  C2H3O2- 
C)  NO3- 
D)  Br-

Question 16

Identify Ca(OH)2 as a strong acid, strong base, weak acid, or weak base.

Accepted Answer

A)  strong acid 
B)  strong base 
C)  weak acid 
D)  weak base

Question 17

An unknown solution is determined to have a pH of 4.5. Identify the solution as being acidic, basic, or neutral.

Accepted Answer

A)  acidic 
B)  basic 
C)  neutral

Question 18

Which of the following compound is a weak electrolyte?

Accepted Answer

A)  HBr 
B)  Sr(OH)2 
C)  NaCl 
D)  H3PO4

Question 19

A 25.0-mL solution contains 0.45 g of cadmium cyanide. Which type of solution is this? ​

Accepted Answer

A)  saturated 
B)  supersaturated 
C)  undersaturated 
D)  unsaturated

Question 20

A 100.0-mL solution contains 27.8 g of sodium cyanide. Which type of solution is this? ​

Accepted Answer

A)  saturated 
B)  supersaturated 
C)  undersaturated 
D)  unsaturated

Exam 6: Properties of Solutions I: Aqueous Solutions

State whether each of the following compounds is an electrolyte or nonelectrolyte. A) CaCl_{2 ____} B) CO₂ _ C) H₂SO₄_ D) C₆H₁₂O₆___

Write the net ionic equation for the precipitation of lead(II) iodide from the addition of lead(II) nitrate solution to a potassium iodide solution.

Which of the following compounds is a strong electrolyte?

Identify H₂CO₃ as a strong acid, strong base, weak acid, or weak base.

Triclosan is an antibacterial agent present in some soaps and surgical cleaning treatments. Calculate the mass of triclosan, C₁₂H₇Cl₃O₂, needed to prepare 750.0 mL of a 5.00 × 10^-5 M solution.

Hydrofluoric acid is used to etch glass. Concentrated hydrofluoric acid is 28.9 M. If a 500.0-mL sample of 5.75 M HF is needed, how many mL of the concentrated HF should be diluted?

Which of the following compound is insoluble in water?

A luminol solution is used to detect the presence of blood. What is the molarity of a luminol solution that was made by dissolving 15.5 g of luminol (C₈H₇N₃O₂) in water to a final volume of 90.0 mL?

Which of the following is the correct name for the acid H₃PO₄?

What is the pH of a 1.4 M HCl solution?

Which term is used to describe a solution that contains less solute than the maximum amount of solute that can be dissolved?

Which of the following compounds is soluble in water?

What is the pH of a 0.280 M HNO₃ solution?

What is the molarity of a solution prepared by dissolving 29.3 g KCl in water to a final volume of 500.0 mL?

What ion would be used to form an insoluble compound with the ion Hg₂²⁺?

Identify Ca(OH) ₂ as a strong acid, strong base, weak acid, or weak base.

An unknown solution is determined to have a pH of 4.5. Identify the solution as being acidic, basic, or neutral.

Which of the following compound is a weak electrolyte?

A 25.0-mL solution contains 0.45 g of cadmium cyanide. Which type of solution is this?

A 100.0-mL solution contains 27.8 g of sodium cyanide. Which type of solution is this?

Exam 6: Properties of Solutions I: Aqueous Solutions

State whether each of the following compounds is an electrolyte or nonelectrolyte. A) CaCl2 ______ B) CO2 _____ C) H2SO4 _____ D) C6H12O6 _____

Write the net ionic equation for the precipitation of lead(II) iodide from the addition of lead(II) nitrate solution to a potassium iodide solution.

Which of the following compounds is a strong electrolyte?

Identify H2CO3 as a strong acid, strong base, weak acid, or weak base.

Triclosan is an antibacterial agent present in some soaps and surgical cleaning treatments. Calculate the mass of triclosan, C12H7Cl3O2, needed to prepare 750.0 mL of a 5.00 × 10-5 M solution.

Hydrofluoric acid is used to etch glass. Concentrated hydrofluoric acid is 28.9 M. If a 500.0-mL sample of 5.75 M HF is needed, how many mL of the concentrated HF should be diluted?

Which of the following compound is insoluble in water?

A luminol solution is used to detect the presence of blood. What is the molarity of a luminol solution that was made by dissolving 15.5 g of luminol (C8H7N3O2) in water to a final volume of 90.0 mL?

Which of the following is the correct name for the acid H3PO4?

What is the pH of a 1.4 M HCl solution?

Which term is used to describe a solution that contains less solute than the maximum amount of solute that can be dissolved?

Which of the following compounds is soluble in water?

What is the pH of a 0.280 M HNO3 solution?

What is the molarity of a solution prepared by dissolving 29.3 g KCl in water to a final volume of 500.0 mL?

What ion would be used to form an insoluble compound with the ion Hg22+?

Identify Ca(OH) 2 as a strong acid, strong base, weak acid, or weak base.

An unknown solution is determined to have a pH of 4.5. Identify the solution as being acidic, basic, or neutral.

Which of the following compound is a weak electrolyte?

A 25.0-mL solution contains 0.45 g of cadmium cyanide. Which type of solution is this? ​

A 100.0-mL solution contains 27.8 g of sodium cyanide. Which type of solution is this? ​

State whether each of the following compounds is an electrolyte or nonelectrolyte. A) CaCl_{2 ____} B) CO₂ _ C) H₂SO₄_ D) C₆H₁₂O₆___

Identify H₂CO₃ as a strong acid, strong base, weak acid, or weak base.

Triclosan is an antibacterial agent present in some soaps and surgical cleaning treatments. Calculate the mass of triclosan, C₁₂H₇Cl₃O₂, needed to prepare 750.0 mL of a 5.00 × 10^-5 M solution.

A luminol solution is used to detect the presence of blood. What is the molarity of a luminol solution that was made by dissolving 15.5 g of luminol (C₈H₇N₃O₂) in water to a final volume of 90.0 mL?

Which of the following is the correct name for the acid H₃PO₄?

What is the pH of a 0.280 M HNO₃ solution?

What ion would be used to form an insoluble compound with the ion Hg₂²⁺?

Identify Ca(OH) ₂ as a strong acid, strong base, weak acid, or weak base.

A 25.0-mL solution contains 0.45 g of cadmium cyanide. Which type of solution is this?

A 100.0-mL solution contains 27.8 g of sodium cyanide. Which type of solution is this?