Question 1

According to Henry's law,the solubility of a gas in a liquid ________.

Accepted Answer

A) decreases as the gas pressure above the liquid increases 
B) increases as the gas pressure above the liquid increases 
C) remains the same as the temperature increases 
D) depends on the liquid polarity 
E) depends on the liquid density 
A) decreases as the gas pressure above the liquid increases 
B) increases as the gas pressure above the liquid increases 
C) remains the same as the temperature increases 
D) depends on the liquid polarity 
E) depends on the liquid density

Question 2

What is the molarity of a solution which contains 58.5 g of sodium chloride dissolved in 0.500 L of solution?

Accepted Answer

A) 0.500 M 
B) 1.00 M 
C) 1.50 M 
D) 2.00 M 
E) 4.00 M 
A) 0.500 M 
B) 1.00 M 
C) 1.50 M 
D) 2.00 M 
E) 4.00 M

Question 3

The O-H bond in water is polar because ________.

Accepted Answer

A) it is an ionic bond 
B) oxygen is much more electronegative than hydrogen 
C) oxygen occupies more space than hydrogen 
D) hydrogen is much more electronegative than oxygen 
E) it is a hydrogen bond 
A) it is an ionic bond 
B) oxygen is much more electronegative than hydrogen 
C) oxygen occupies more space than hydrogen 
D) hydrogen is much more electronegative than oxygen 
E) it is a hydrogen bond

Question 4

What volume of 2.5% (m/v)KOH can be prepared from 125 mL of a 5.0% (m/v)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 5

How many moles of CaCl2 are in 250 mL of a 3.0 M of CaCl2  solution?

Accepted Answer

A) 750 moles 
B) 1.3 moles 
C) 83 moles 
D) 0.75 mole 
E) 3.0 moles 
A) 750 moles 
B) 1.3 moles 
C) 83 moles 
D) 0.75 mole 
E) 3.0 moles

Question 6

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 7

A 2.0% (m/v)NaCl solution contains ________ g NaCl in 300.mL of solution.

Accepted Answer

The answer of A 2.0% (m/v)NaCl solution contains ________ g...

Question 8

Polar solutes are soluble in ________ solvents.

Accepted Answer

The answer of Polar solutes are soluble in ________ solvents....

Question 9

A ________ will pass through a filter but not a semipermeable membrane.

Accepted Answer

A) solid 
B) precipitate 
C) solution 
D) suspension 
E) colloid 
A) solid 
B) precipitate 
C) solution 
D) suspension 
E) colloid

Question 10

What mass of KCl is in 350 mL of 0.24 M KCl?

Accepted Answer

A) 0.84 g 
B) 1.1.g 
C) 84 g 
D) 18 g 
E) 6.3 g 
A) 0.84 g 
B) 1.1.g 
C) 84 g 
D) 18 g 
E) 6.3 g

Question 11

The process that occurs in this system is ________.

Accepted Answer

A) filtration 
B) hydration 
C) neutralization 
D) dialysis 
E) osmosis 
A) filtration 
B) hydration 
C) neutralization 
D) dialysis 
E) osmosis

Question 12

What is the new mass/volume percent (m/v)of a KOH solution that is prepared by diluting 110 mL of a 6.0% (m/v)KOH solution to 330 mL?

Accepted Answer

A) 2.0% (m/v) 
B) 1.0% (m/v) 
C) 6.0% (m/v) 
D) 12% (m/v) 
E) 18% (m/v) 
A) 2.0% (m/v) 
B) 1.0% (m/v) 
C) 6.0% (m/v) 
D) 12% (m/v) 
E) 18% (m/v)

Question 13

What volume of 0.10 M NaOH can be prepared from 250.mL of 0.30 M NaOH?

Accepted Answer

A) 0.075 L 
B) 0.25 L 
C) 0.75 L 
D) 0.083 L 
E) 750 L 
A) 0.075 L 
B) 0.25 L 
C) 0.75 L 
D) 0.083 L 
E) 750 L

Question 14

What is the molarity of a solution containing 5.0 moles of KCl in 2.0 L of solution?

Accepted Answer

A) 2.5 M 
B) 1.0 M 
C) 5.0 M 
D) 10.M 
E) 2.0 M 
A) 2.5 M 
B) 1.0 M 
C) 5.0 M 
D) 10.M 
E) 2.0 M

Question 15

The compound KOH is ________.

Accepted Answer

A) soluble,because all compounds containing OH-  are soluble 
B) insoluble,because all compounds containing OH-  are in soluble 
C) soluble,because all compounds containing K+  are soluble 
D) insoluble,because all compounds containing K+  are insoluble 
E) insoluble,because KOH is insoluble 
A) soluble,because all compounds containing OH-  are soluble 
B) insoluble,because all compounds containing OH-  are in soluble 
C) soluble,because all compounds containing K+  are soluble 
D) insoluble,because all compounds containing K+  are insoluble 
E) insoluble,because KOH is insoluble

Question 16

A mixture is prepared by dissolving 2 g of KCl in 100 g of H2O.In this mixture,  H2O is the ________.

Accepted Answer

A) solute 
B) solvent 
C) solution 
D) solid 
E) ionic compound 
A) solute 
B) solvent 
C) solution 
D) solid 
E) ionic compound

Question 17

A substance that completely ionizes in water is a ________ electrolyte.

Accepted Answer

The answer of A substance that completely ionizes in water...

Question 18

A solution contains 43 mEq/L of of Cl-  and 11 mEq/L of HPO4-2  .If the only cation in the solution is Na+ ,what is the Na+ concentration in mEq/L?

Accepted Answer

A) 43 mEq/L 
B) 11 mEq/L 
C) 54 mEq/L 
D) 32 mEq/L 
E) 2.0 mEq/L 
A) 43 mEq/L 
B) 11 mEq/L 
C) 54 mEq/L 
D) 32 mEq/L 
E) 2.0 mEq/L

Question 19

Which has a higher osmotic pressure 1.0 M sucrose or water?

Accepted Answer

The answer of Which has a higher osmotic pressure 1.0...

Question 20

When NH4Cl is added to water,the salt will be ________.

Accepted Answer

The answer of When NH4Cl is added to water,the salt...

According to Henry's law,the solubility of a gas in a liquid ________.

What is the molarity of a solution which contains 58.5 g of sodium chloride dissolved in 0.500 L of solution?

The O-H bond in water is polar because ________.

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

How many moles of CaCl₂ are in 250 mL of a 3.0 M of CaCl₂ solution?

Oil does not dissolve in water because ________.

A 2.0% (m/v)NaCl solution contains ________ g NaCl in 300.mL of solution.

Polar solutes are soluble in ________ solvents.

A ________ will pass through a filter but not a semipermeable membrane.

What mass of KCl is in 350 mL of 0.24 M KCl?

The process that occurs in this system is ________.

What is the new mass/volume percent (m/v)of a KOH solution that is prepared by diluting 110 mL of a 6.0% (m/v)KOH solution to 330 mL?

What volume of 0.10 M NaOH can be prepared from 250.mL of 0.30 M NaOH?

What is the molarity of a solution containing 5.0 moles of KCl in 2.0 L of solution?

The compound KOH is ________.

A mixture is prepared by dissolving 2 g of KCl in 100 g of H₂O.In this mixture, H₂O is the ________.

A substance that completely ionizes in water is a ________ electrolyte.

A solution contains 43 mEq/L of of Cl^- and 11 mEq/L of HPO₄^-2 .If the only cation in the solution is Na⁺ ,what is the Na⁺ concentration in mEq/L?

Which has a higher osmotic pressure 1.0 M sucrose or water?

When NH4Cl is added to water,the salt will be ________.

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Exam 9: Solutions

According to Henry's law,the solubility of a gas in a liquid ________.

What is the molarity of a solution which contains 58.5 g of sodium chloride dissolved in 0.500 L of solution?

The O-H bond in water is polar because ________.

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

How many moles of CaCl2 are in 250 mL of a 3.0 M of CaCl2 solution?

Oil does not dissolve in water because ________.

A 2.0% (m/v)NaCl solution contains ________ g NaCl in 300.mL of solution.

Polar solutes are soluble in ________ solvents.

A ________ will pass through a filter but not a semipermeable membrane.

What mass of KCl is in 350 mL of 0.24 M KCl?

The process that occurs in this system is ________.

What is the new mass/volume percent (m/v)of a KOH solution that is prepared by diluting 110 mL of a 6.0% (m/v)KOH solution to 330 mL?

What volume of 0.10 M NaOH can be prepared from 250.mL of 0.30 M NaOH?

What is the molarity of a solution containing 5.0 moles of KCl in 2.0 L of solution?

The compound KOH is ________.

A mixture is prepared by dissolving 2 g of KCl in 100 g of H2O.In this mixture, H2O is the ________.

A substance that completely ionizes in water is a ________ electrolyte.

A solution contains 43 mEq/L of of Cl- and 11 mEq/L of HPO4-2 .If the only cation in the solution is Na+ ,what is the Na+ concentration in mEq/L?

Which has a higher osmotic pressure 1.0 M sucrose or water?

When NH4Cl is added to water,the salt will be ________.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

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How many moles of CaCl₂ are in 250 mL of a 3.0 M of CaCl₂ solution?

A mixture is prepared by dissolving 2 g of KCl in 100 g of H₂O.In this mixture, H₂O is the ________.

A solution contains 43 mEq/L of of Cl^- and 11 mEq/L of HPO₄^-2 .If the only cation in the solution is Na⁺ ,what is the Na⁺ concentration in mEq/L?