Question 1

Water is a polar solvent and hexane ( C6H14 )is a nonpolar solvent.Which of the following correctly describes the solubility of the solute in the given solvent?

Accepted Answer

A)  mineral oil,soluble in water 
B)  CaCl2  ,soluble in hexane 
C)  NaHCO3 ,soluble in water 
D)  CCl4 ,soluble in water 
E)  octane,soluble in water 
A)  mineral oil,soluble in water 
B)  CaCl2  ,soluble in hexane 
C)  NaHCO3 ,soluble in water 
D)  CCl4 ,soluble in water 
E)  octane,soluble in water

Question 2

If a red blood cell is placed in 1% glucose solution,the red blood cell will ________.

Accepted Answer

The answer of If a red blood cell is placed...

Question 3

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

Accepted Answer

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

Question 4

How many equivalents are in 0.036 mole of Ca2+?

Accepted Answer

The answer of How many equivalents are in 0.036 mole...

Question 5

A solution which has 12 g of solute dissolved in 200.mL of solution has a m/v concentration of ________.

Accepted Answer

The answer of A solution which has 12 g of...

Question 6

What is the concentration,in mass percent (m/m),of a solution prepared from 50.0 g NaCl and 150.0 g of water?

Accepted Answer

A) 0.250% (m/m) 
B) 33.3% (m/m) 
C) 40.0% (m/m) 
D) 25.0% (m/m) 
E) 3.00% (m/m) 
A) 0.250% (m/m) 
B) 33.3% (m/m) 
C) 40.0% (m/m) 
D) 25.0% (m/m) 
E) 3.00% (m/m)

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

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 9

A red blood cell will undergo crenation in ________.

Accepted Answer

A) water 
B) 0.5% NaCl 
C) 3% glucose 
D) 5% glucose 
E) 7% NaCl 
A) water 
B) 0.5% NaCl 
C) 3% glucose 
D) 5% glucose 
E) 7% NaCl

Question 10

During the process of diluting a solution to a lower concentration,________.

Accepted Answer

A) the amount of solute does not change 
B) the amount of solvent does not change 
C) there is more solute in the concentrated solution 
D) the volume of the solution does not change 
E) water is removed from the concentrated solution 
A) the amount of solute does not change 
B) the amount of solvent does not change 
C) there is more solute in the concentrated solution 
D) the volume of the solution does not change 
E) water is removed from the concentrated solution

Question 11

Which solution is isotonic to a red blood cell?

Accepted Answer

A) water 
B) 0.5% NaCl 
C) 2% glucose 
D) 0.9% NaCl 
E) 10% glucose 
A) water 
B) 0.5% NaCl 
C) 2% glucose 
D) 0.9% NaCl 
E) 10% glucose

Question 12

A solution that has an osmotic pressure less than that of red blood cells is called ________.

Accepted Answer

A) saturated 
B) hypertonic 
C) isotonic 
D) hypotonic 
E) unsaturated 
A) saturated 
B) hypertonic 
C) isotonic 
D) hypotonic 
E) unsaturated

Question 13

How many equivalents are in 0.60 mole of Mg2+  ?

Accepted Answer

A) 0.60 Eq 
B) 0.30 Eq 
C) 1.2 Eq 
D) 2.0 Eq 
E) 1.0 Eq 
A) 0.60 Eq 
B) 0.30 Eq 
C) 1.2 Eq 
D) 2.0 Eq 
E) 1.0 Eq

Question 14

In water,a substance that ionizes completely in solution is called a ________.

Accepted Answer

A) weak electrolyte 
B) nonelectrolyte 
C) semiconductor 
D) nonconductor 
E) strong electrolyte 
A) weak electrolyte 
B) nonelectrolyte 
C) semiconductor 
D) nonconductor 
E) strong electrolyte

Question 15

A hydrogen bond is ________.

Accepted Answer

A) an attractive force between molecules where partially positive hydrogen atoms are attracted to partially negative atoms of F,O,or N 
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 attractive force between molecules where partially positive hydrogen atoms are attracted to partially negative atoms of F,O,or N 
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 16

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 17

What volume (mL)of a 15% (m/v)NaOH solution contains 120 g NaOH?

Accepted Answer

A) 18 mL 
B) 0.13 mL 
C) 13 mL 
D) 120 mL 
E) 8.0 × 102 mL 
A) 18 mL 
B) 0.13 mL 
C) 13 mL 
D) 120 mL 
E) 8.0 × 102 mL

Question 18

What is the concentration,mass/volume percent (m/v),of a solution prepared from 50.g NaCl and 2.5 L of water?

Accepted Answer

A) 5.0% (m/v) 
B) 2.0% (m/v) 
C) 0.020% (m/v) 
D) 0.050% (m/v) 
E) 20.% (m/v) 
A) 5.0% (m/v) 
B) 2.0% (m/v) 
C) 0.020% (m/v) 
D) 0.050% (m/v) 
E) 20.% (m/v)

Question 19

If 450.mL of 6.0 M KBr solution is diluted to 900.mL,the concentration of the KBr solution is ________.

Accepted Answer

The answer of If 450.mL of 6.0 M KBr solution...

Question 20

If a red blood cell is placed in 5% NaCl solution,the red blood cell will ________.

Accepted Answer

The answer of If a red blood cell is placed...

Water is a polar solvent and hexane ( C₆H₁₄ )is a nonpolar solvent.Which of the following correctly describes the solubility of the solute in the given solvent?

If a red blood cell is placed in 1% glucose solution,the red blood cell will ________.

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

How many equivalents are in 0.036 mole of Ca2+?

A solution which has 12 g of solute dissolved in 200.mL of solution has a m/v concentration of ________.

What is the concentration,in mass percent (m/m),of a solution prepared from 50.0 g NaCl and 150.0 g of water?

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

The mass percent concentration refers to ________.

A red blood cell will undergo crenation in ________.

During the process of diluting a solution to a lower concentration,________.

Which solution is isotonic to a red blood cell?

A solution that has an osmotic pressure less than that of red blood cells is called ________.

How many equivalents are in 0.60 mole of Mg²⁺ ?

In water,a substance that ionizes completely in solution is called a ________.

A hydrogen bond is ________.

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,________.

What volume (mL)of a 15% (m/v)NaOH solution contains 120 g NaOH?

What is the concentration,mass/volume percent (m/v),of a solution prepared from 50.g NaCl and 2.5 L of water?

If 450.mL of 6.0 M KBr solution is diluted to 900.mL,the concentration of the KBr solution is ________.

If a red blood cell is placed in 5% NaCl solution,the red blood cell will ________.

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Exam 9: Solutions

Water is a polar solvent and hexane ( C6H14 )is a nonpolar solvent.Which of the following correctly describes the solubility of the solute in the given solvent?

If a red blood cell is placed in 1% glucose solution,the red blood cell will ________.

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

How many equivalents are in 0.036 mole of Ca2+?

A solution which has 12 g of solute dissolved in 200.mL of solution has a m/v concentration of ________.

What is the concentration,in mass percent (m/m),of a solution prepared from 50.0 g NaCl and 150.0 g of water?

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

The mass percent concentration refers to ________.

A red blood cell will undergo crenation in ________.

During the process of diluting a solution to a lower concentration,________.

Which solution is isotonic to a red blood cell?

A solution that has an osmotic pressure less than that of red blood cells is called ________.

How many equivalents are in 0.60 mole of Mg2+ ?

In water,a substance that ionizes completely in solution is called a ________.

A hydrogen bond is ________.

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,________.

What volume (mL)of a 15% (m/v)NaOH solution contains 120 g NaOH?

What is the concentration,mass/volume percent (m/v),of a solution prepared from 50.g NaCl and 2.5 L of water?

If 450.mL of 6.0 M KBr solution is diluted to 900.mL,the concentration of the KBr solution is ________.

If a red blood cell is placed in 5% NaCl solution,the red blood cell will ________.

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

Filters

Water is a polar solvent and hexane ( C₆H₁₄ )is a nonpolar solvent.Which of the following correctly describes the solubility of the solute in the given solvent?

How many equivalents are in 0.60 mole of Mg²⁺ ?

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,________.