Question 1

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water.
-500 mL of 0.0002 M aluminum sulfate solution

Accepted Answer

A) 0.0002 
B) 0.0001 
C) 0.0003 
A) 0.0002 
B) 0.0001 
C) 0.0003 C

Question 2

Match each of the solutions with the corresponding w/w % of that solution.
-1.0 g CaCL? in 9.0 g of solution

Accepted Answer

A) 5.0% 
B) 25% 
C) 2.0% 
D) 20.% 
E) 40.%
F)11% 
A) 5.0% 
B) 25% 
C) 2.0% 
D) 20.% 
E) 40.%
F)11% F

Question 3

Use the general rule "like dissolves like" to briefly explain why vegetable oil (nonpolar) will not dissolve in water (polar).

Accepted Answer

Water and vegetable oil are not "likes." One is polar, and one is nonpolar. One should not expect that a solution of the two can be easily made.

Question 4

To prepare 500. mL of 0.5 M NaCl from a stock of 2.0 M NaCl one needs to ________.

Accepted Answer

A)  dilute 125 mL 2.0 M NaCl with enough water to a total of 500. mL solution 
B)  dilute 125 mL 2.0 M NaCl with 500. mL water 
C)  dilute 375 mL 2.0 M NaCl with enough water to a total of 500. mL solution 
D)  dilute 375 mL 2.0 M NaCl with 500. mL water 
A)  dilute 125 mL 2.0 M NaCl with enough water to a total of 500. mL solution 
B)  dilute 125 mL 2.0 M NaCl with 500. mL water 
C)  dilute 375 mL 2.0 M NaCl with enough water to a total of 500. mL solution 
D)  dilute 375 mL 2.0 M NaCl with 500. mL water

Question 5

A 0.2119 g sample of an acid, HA, was neutralized by 34.7 mL of 0.0500 M NaOH solution. The molecular mass of the acid is ________.

Accepted Answer

A)  61 
B)  92 
C)  122 
D)  244 
A)  61 
B)  92 
C)  122 
D)  244

Question 6

Which end, the polar end or the nonpolar end, of a detergent molecule is attracted to water?

Accepted Answer

A)  the polar end 
B)  both the polar and the nonpolar end 
C)  neither the polar nor the nonpolar end 
D)  the nonpolar end 
A)  the polar end 
B)  both the polar and the nonpolar end 
C)  neither the polar nor the nonpolar end 
D)  the nonpolar end

Question 7

Match each solution with its corresponding mass of solute.
-3.0 x 102 mL of 1.5 M K?SO?

Accepted Answer

A) 3.9 g 
B) 0.15 g 
C) 1.07 g 
D) 15.6 g 
E) 78 g 
A) 3.9 g 
B) 0.15 g 
C) 1.07 g 
D) 15.6 g 
E) 78 g

Question 8

The solute in a sugar solution is water.

Accepted Answer

A) True 
 B)False

Question 9

Match each of the solutions with the corresponding w/w % of that solution.
-5.0 g LiI in 250 g of solution

Accepted Answer

A) 5.0% 
B) 25% 
C) 2.0% 
D) 20.% 
E) 40.%
F)11% 
A) 5.0% 
B) 25% 
C) 2.0% 
D) 20.% 
E) 40.%
F)11%

Question 10

Which of the following has the lowest hydration energy?

Accepted Answer

A)  sodium chloride 
B)  magnesium chloride 
C)  aluminum chloride 
D)  silicon tetrachloride 
A)  sodium chloride 
B)  magnesium chloride 
C)  aluminum chloride 
D)  silicon tetrachloride

Question 11

A 20 percent by mass of NaOH solution is made by dissolving 5 g NaOH in 25 g water.

Accepted Answer

A) True 
 B)False

Question 12

How many grams of AgNO3 are in 2.60 L of a 1.28 M solution of AgNO3 ?

Accepted Answer

Question 13

The molarity of a solution that contains 5.85 g of NaCl in 2.0 L of solution is ________.

Accepted Answer

A)  2.93 M 
B)  0.050 M 
C)  5.0 M 
D)  0.29 M 
A)  2.93 M 
B)  0.050 M 
C)  5.0 M 
D)  0.29 M

Question 14

Match each solution with its corresponding mass of solute.
-800. mL of 0.050 M H?SO?

Accepted Answer

A) 3.9 g 
B) 0.15 g 
C) 1.07 g 
D) 15.6 g 
E) 78 g 
A) 3.9 g 
B) 0.15 g 
C) 1.07 g 
D) 15.6 g 
E) 78 g

Question 15

For most molecular solids an increase in temperature generally causes an increase in solubility.

Accepted Answer

A) True 
 B)False

Question 16

Match each sodium salt solution with its corresponding number of sodium ion moles.
-100 mL of 0.2 M sodium cyanide solution

Accepted Answer

A) 0.04 
B) 0.02 
C) 0.06 
A) 0.04 
B) 0.02 
C) 0.06

Question 17

If a solute is to be soluble in a given solvent, which step in the solution-making process must have a negative value for its energy?

Accepted Answer

A)  the physical separation of solvent particles 
B)  the physical separation of solute particles 
C)  the formation of solvent/solute interactions 
D)  All three of the preceding steps must be negative for a solute to be soluble. 
A)  the physical separation of solvent particles 
B)  the physical separation of solute particles 
C)  the formation of solvent/solute interactions 
D)  All three of the preceding steps must be negative for a solute to be soluble.

Question 18

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water.
-500 mL of 0.0002 M sodium sulfate solution

Accepted Answer

A) 0.0002 
B) 0.0001 
C) 0.0003 
A) 0.0002 
B) 0.0001 
C) 0.0003

Question 19

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water.
-500 mL of 0.0002 M tin(IV) sulfate solution

Accepted Answer

A) 0.0002 
B) 0.0001 
C) 0.0003 
A) 0.0002 
B) 0.0001 
C) 0.0003

Question 20

How many grams of NaCl are in 200 g of a 10 percent-by-mass salt solution?

Accepted Answer

A)  10 g 
B)  20 g 
C)  40 g 
D)  80 g 
A)  10 g 
B)  20 g 
C)  40 g 
D)  80 g

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water. -500 mL of 0.0002 M aluminum sulfate solution

Match each of the solutions with the corresponding w/w % of that solution. -1.0 g CaCL? in 9.0 g of solution

Use the general rule "like dissolves like" to briefly explain why vegetable oil (nonpolar) will not dissolve in water (polar).

To prepare 500. mL of 0.5 M NaCl from a stock of 2.0 M NaCl one needs to ________.

A 0.2119 g sample of an acid, HA, was neutralized by 34.7 mL of 0.0500 M NaOH solution. The molecular mass of the acid is ________.

Which end, the polar end or the nonpolar end, of a detergent molecule is attracted to water?

Match each solution with its corresponding mass of solute. -3.0 x 10² mL of 1.5 M K?SO?

The solute in a sugar solution is water.

Match each of the solutions with the corresponding w/w % of that solution. -5.0 g LiI in 250 g of solution

Which of the following has the lowest hydration energy?

A 20 percent by mass of NaOH solution is made by dissolving 5 g NaOH in 25 g water.

How many grams of AgNO₃ are in 2.60 L of a 1.28 M solution of AgNO₃ ?

The molarity of a solution that contains 5.85 g of NaCl in 2.0 L of solution is ________.

Match each solution with its corresponding mass of solute. -800. mL of 0.050 M H?SO?

For most molecular solids an increase in temperature generally causes an increase in solubility.

Match each sodium salt solution with its corresponding number of sodium ion moles. -100 mL of 0.2 M sodium cyanide solution

If a solute is to be soluble in a given solvent, which step in the solution-making process must have a negative value for its energy?

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water. -500 mL of 0.0002 M sodium sulfate solution

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water. -500 mL of 0.0002 M tin(IV) sulfate solution

How many grams of NaCl are in 200 g of a 10 percent-by-mass salt solution?

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 12: Solutions

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water. -500 mL of 0.0002 M aluminum sulfate solution

Match each of the solutions with the corresponding w/w % of that solution. -1.0 g CaCL? in 9.0 g of solution

Use the general rule "like dissolves like" to briefly explain why vegetable oil (nonpolar) will not dissolve in water (polar).

To prepare 500. mL of 0.5 M NaCl from a stock of 2.0 M NaCl one needs to ________.

A 0.2119 g sample of an acid, HA, was neutralized by 34.7 mL of 0.0500 M NaOH solution. The molecular mass of the acid is ________.

Which end, the polar end or the nonpolar end, of a detergent molecule is attracted to water?

Match each solution with its corresponding mass of solute. -3.0 x 102 mL of 1.5 M K?SO?

The solute in a sugar solution is water.

Match each of the solutions with the corresponding w/w % of that solution. -5.0 g LiI in 250 g of solution

Which of the following has the lowest hydration energy?

A 20 percent by mass of NaOH solution is made by dissolving 5 g NaOH in 25 g water.

How many grams of AgNO3 are in 2.60 L of a 1.28 M solution of AgNO3 ?

The molarity of a solution that contains 5.85 g of NaCl in 2.0 L of solution is ________.

Match each solution with its corresponding mass of solute. -800. mL of 0.050 M H?SO?

For most molecular solids an increase in temperature generally causes an increase in solubility.

Match each sodium salt solution with its corresponding number of sodium ion moles. -100 mL of 0.2 M sodium cyanide solution

If a solute is to be soluble in a given solvent, which step in the solution-making process must have a negative value for its energy?

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water. -500 mL of 0.0002 M sodium sulfate solution

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water. -500 mL of 0.0002 M tin(IV) sulfate solution

How many grams of NaCl are in 200 g of a 10 percent-by-mass salt solution?

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Match each solution with its corresponding mass of solute. -3.0 x 10² mL of 1.5 M K?SO?

How many grams of AgNO₃ are in 2.60 L of a 1.28 M solution of AgNO₃ ?