Question 1

In the following equation, ________ will form a precipitate. 
BaCl₂ + H2SO₄ → BaSO₄ + 2HCl

Accepted Answer

The answer of In the following equation, ________ will form...

Question 2

Acetic acid can be classified as a(n) ________.

Accepted Answer

A) gas 
B) solid 
C) weak electrolyte 
D) strong electrolyte 
E) ionic compound 
A) gas 
B) solid 
C) weak electrolyte 
D) strong electrolyte 
E) ionic compound

Question 3

NaCl can be classified as a ________.

Accepted Answer

A) gas 
B) liquid 
C) weak electrolyte 
D) strong electrolyte 
E) nonelectrolyte 
A) gas 
B) liquid 
C) weak electrolyte 
D) strong electrolyte 
E) nonelectrolyte

Question 4

The solubility of KI is 50 g in 100 g of H2O at 20 °C. If 110 grams of KI are added to 200 grams of H2O

Accepted Answer

A) all of the KI will dissolve. 
B) the solution will freeze. 
C) the solution will start boiling. 
D) a saturated solution will form. 
E) the solution will be unsaturated. 
A) all of the KI will dissolve. 
B) the solution will freeze. 
C) the solution will start boiling. 
D) a saturated solution will form. 
E) the solution will be unsaturated.

Question 5

A patient needs to receive 85 grams of glucose every 12 hours. What volume of a 5.0%(m/v) glucose solution needs to be administered to the patient each 12 hours?

Accepted Answer

A) 1700 mL 
B) 60 mL 
C) 6000 mL 
D) 17 mL 
E) 204 mL 
A) 1700 mL 
B) 60 mL 
C) 6000 mL 
D) 17 mL 
E) 204 mL

Question 6

How many grams of glucose are needed to prepare 400. mL of a 2.0%(m/v) glucose solution?

Accepted Answer

A) 800. g 
B) 0.0050 g 
C) 8.0 g 
D) 2.0 g 
E) 200. g 
A) 800. g 
B) 0.0050 g 
C) 8.0 g 
D) 2.0 g 
E) 200. g

Question 7

The molarity of a solution of 5.0 g of KCl in 100. mL of solution is ________.

Accepted Answer

A) 0.038 M 
B) 0.067 M 
C) 0.67 M 
D) 0.13 M 
E) 1.3 M 
A) 0.038 M 
B) 0.067 M 
C) 0.67 M 
D) 0.13 M 
E) 1.3 M

Question 8

A homogeneous mixture that does not settle out upon standing is

Accepted Answer

A) an element. 
B) a colloid. 
C) a suspension. 
D) homogeneous. 
E) hydrated. 
A) an element. 
B) a colloid. 
C) a suspension. 
D) homogeneous. 
E) hydrated.

Question 9

The mass percent concentration refers to

Accepted Answer

A) grams of solute in 1 kg of solvent. 
B) grams of solute in 1 kg of solution. 
C) grams of solute in 100 g of solvent. 
D) grams of solute in 100 g of solution. 
E) grams of solvent in 100 g of solution. 
A) grams of solute in 1 kg of solvent. 
B) grams of solute in 1 kg of solution. 
C) grams of solute in 100 g of solvent. 
D) grams of solute in 100 g of solution. 
E) grams of solvent in 100 g of solution.

Question 10

Oil does not dissolve in water because

Accepted Answer

A) oil is polar. 
B) oil is nonpolar. 
C) water is nonpolar. 
D) water is saturated. 
E) oil is hydrated. 
A) oil is polar. 
B) oil is nonpolar. 
C) water is nonpolar. 
D) water is saturated. 
E) oil is hydrated.

Question 11

A mixture in which one component settles is called a(n) ________.

Accepted Answer

A) solution 
B) colloid 
C) suspension 
D) electrolyte 
E) nonelectrolyte 
A) solution 
B) colloid 
C) suspension 
D) electrolyte 
E) nonelectrolyte

Question 12

How many milliliters of a 25% (m/v) NaOH solution would contain 75 g of NaOH?

Accepted Answer

A) 25 mL 
B) 75 mL 
C) 33 mL 
D) 19 mL 
E) 3.0 × 102 mL 
A) 25 mL 
B) 75 mL 
C) 33 mL 
D) 19 mL 
E) 3.0 × 102 mL

Question 13

Is barium sulfate, BaSO₄ , soluble or insoluble in water?

Accepted Answer

The answer of Is barium sulfate, BaSO₄ , soluble or...

Question 14

Using a kidney machine to remove waste products from the blood is known as ________.

Accepted Answer

A) osmosis 
B) osmolysis 
C) autolysis 
D) hemolysis 
E) hemodialysis 
A) osmosis 
B) osmolysis 
C) autolysis 
D) hemolysis 
E) hemodialysis

Question 15

What volume of a 1.5 M KOH solution is needed to provide 3.0 moles of KOH?

Accepted Answer

A) 3.0 L 
B) 0.50 L 
C) 2.0 L 
D) 4.5 L 
E) 0.22 L 
A) 3.0 L 
B) 0.50 L 
C) 2.0 L 
D) 4.5 L 
E) 0.22 L

Question 16

0.50 mole of NaCl is added to 1.0 kg of water. The freezing point of the solution will be ________.

Accepted Answer

A) 0.00 °C 
B) 0.93 °C 
C) 1.86 °C 
D) -0.93 °C 
E) -1.86 °C 
A) 0.00 °C 
B) 0.93 °C 
C) 1.86 °C 
D) -0.93 °C 
E) -1.86 °C

Question 17

A hydrogen bond is

Accepted Answer

A) an attraction between a hydrogen atom attached to N, O, or F and an N, O, or F atom on another molecule. 
B) a covalent bond between H and O. 
C) an ionic bond between H and another atom. 
D) a bond that is stronger than a covalent bond. 
E) the polar O-H bond in water. 
A) an attraction between a hydrogen atom attached to N, O, or F and an N, O, or F atom on another molecule. 
B) a covalent bond between H and O. 
C) an ionic bond between H and another atom. 
D) a bond that is stronger than a covalent bond. 
E) the polar O-H bond in water.

Question 18

What is the new mass/volume (m/v)% of a KOH solution that is prepared by diluting 110 mL of a 6% (m/v) KOH solution to 330 mL?

Accepted Answer

A) 2% 
B) 1% 
C) 6% 
D) 12% 
E) 18% 
A) 2% 
B) 1% 
C) 6% 
D) 12% 
E) 18%

Question 19

What volume of 2.5% (m/v) KOH can be prepared from 125 mL of a 5.0% KOH solution?

Accepted Answer

A) 0.0040 mL 
B) 63 mL 
C) 0.10 mL 
D) 125 mL 
E) 250 mL 
A) 0.0040 mL 
B) 63 mL 
C) 0.10 mL 
D) 125 mL 
E) 250 mL

Question 20

What is the molarity of a solution that contains 3.25 moles of NaNO₃ in 250. mL of solution?

Accepted Answer

A) 3.25 M 
B) 6.50 M 
C) 0.0130 M 
D) 13.0 M 
E) 2.60 M 
A) 3.25 M 
B) 6.50 M 
C) 0.0130 M 
D) 13.0 M 
E) 2.60 M

Exam 9: Solutions

In the following equation, ________ will form a precipitate. BaCl₂ + H2SO₄ → BaSO₄ + 2HCl

Acetic acid can be classified as a(n) ________.

NaCl can be classified as a ________.

The solubility of KI is 50 g in 100 g of H2O at 20 °C. If 110 grams of KI are added to 200 grams of H2O

A patient needs to receive 85 grams of glucose every 12 hours. What volume of a 5.0%(m/v) glucose solution needs to be administered to the patient each 12 hours?

How many grams of glucose are needed to prepare 400. mL of a 2.0%(m/v) glucose solution?

The molarity of a solution of 5.0 g of KCl in 100. mL of solution is ________.

A homogeneous mixture that does not settle out upon standing is

The mass percent concentration refers to

Oil does not dissolve in water because

A mixture in which one component settles is called a(n) ________.

How many milliliters of a 25% (m/v) NaOH solution would contain 75 g of NaOH?

Is barium sulfate, BaSO₄ , soluble or insoluble in water?

Using a kidney machine to remove waste products from the blood is known as ________.

What volume of a 1.5 M KOH solution is needed to provide 3.0 moles of KOH?

0.50 mole of NaCl is added to 1.0 kg of water. The freezing point of the solution will be ________.

A hydrogen bond is

What is the new mass/volume (m/v)% of a KOH solution that is prepared by diluting 110 mL of a 6% (m/v) KOH solution to 330 mL?

What volume of 2.5% (m/v) KOH can be prepared from 125 mL of a 5.0% KOH solution?

What is the molarity of a solution that contains 3.25 moles of NaNO₃ in 250. mL of solution?

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The solubility of KI is 50 g in 100 g of H₂O at 20 °C. If 110 grams of KI are added to 200 grams of H₂O