Question 1

The number of moles of a compound dissolved in one liter of a solution is called the ________.

Accepted Answer

molarity

Question 2

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. D

Question 3

In the process known as osmosis, ________ moves through a semipermeable membrane into an area of ________ concentration.

Accepted Answer

A) solute; lower solute 
B) solute; higher solute 
C) solvent; lower solute 
D) solvent; lower solvent 
E) solvent; higher solvent 
A) solute; lower solute 
B) solute; higher solute 
C) solvent; lower solute 
D) solvent; lower solvent 
E) solvent; higher solvent D

Question 4

Which one of the following compounds will be insoluble in water?

Accepted Answer

A) AgNO₃ 
B) CaCl₂ 
C) NH₄Cl 
D) CaCO₃ 
E) Pb(C2H₃O2)₂ 
A) AgNO₃ 
B) CaCl₂ 
C) NH₄Cl 
D) CaCO₃ 
E) Pb(C2H₃O2)₂

Question 5

A substance that produces only a small number of ions in solution is known as a ________ electrolyte.

Accepted Answer

The answer of A substance that produces only a small...

Question 6

Hydrogen bonds are a major factor in the structure of

Accepted Answer

A) DNA. 
B) hydrogen chloride. 
C) dry ice. 
D) air. 
E) table salt. 
A) DNA. 
B) hydrogen chloride. 
C) dry ice. 
D) air. 
E) table salt.

Question 7

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 8

A solution of sodium carbonate, Na2CO₃ , that has a molarity of 0.0100 M contains ________ equivalents of sodium ions per liter of the solution.

Accepted Answer

Question 9

0.50 mole of KCl is added to 2.0 kg of water. The boiling point of the solution will be ________ the boiling point of pure water.

Accepted Answer

A) higher than 
B) lower than 
C) the same as 
A) higher than 
B) lower than 
C) the same as

Question 10

How many equivalents are present in 0.40 moles of SO₄ 2-?

Accepted Answer

A) 0.10 Eq 
B) 0.20 Eq 
C) 0.40 Eq 
D) 0.80 Eq 
E) 1.2 Eq 
A) 0.10 Eq 
B) 0.20 Eq 
C) 0.40 Eq 
D) 0.80 Eq 
E) 1.2 Eq

Question 11

When solutions of KCl and Pb(NO₃)₂ are mixed, a precipitate forms. Which of the following is the balanced equation for the double replacement reaction that occurs?

Accepted Answer

A) KCl(aq)+ Pb(NO₃)2(aq)→ KNO₃(aq)+ PbCl₂(s) 
B) KNO₃(aq)+ PbCl₂(s)→ KCl(aq)+ Pb(NO₃)2(aq) 
C) K+(aq)+ NO₃-(aq) → KNO₃(aq) 
D) 2KCl (aq)+ Pb(NO₃)₂(aq)→ 2KNO₃(aq)+ PbCl₂(s) 
E) KCl(aq)+ Pb(NO₃)₂(aq)→ KNO₃(aq)+ PbCl(s) 
A) KCl(aq)+ Pb(NO₃)2(aq)→ KNO₃(aq)+ PbCl₂(s) 
B) KNO₃(aq)+ PbCl₂(s)→ KCl(aq)+ Pb(NO₃)2(aq) 
C) K+(aq)+ NO₃-(aq) → KNO₃(aq) 
D) 2KCl (aq)+ Pb(NO₃)₂(aq)→ 2KNO₃(aq)+ PbCl₂(s) 
E) KCl(aq)+ Pb(NO₃)₂(aq)→ KNO₃(aq)+ PbCl(s)

Question 12

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

Accepted Answer

A) 5.0% 
B) 2.0% 
C) 0.020% 
D) 0.050% 
E) 20.% 
A) 5.0% 
B) 2.0% 
C) 0.020% 
D) 0.050% 
E) 20.%

Question 13

A solution with the same osmotic pressure as the blood is

Accepted Answer

A) isotonic to the blood. 
B) hypotonic to the blood. 
C) hypertonic to the blood. 
D) nontonic to the blood. 
E) molar to the blood. 
A) isotonic to the blood. 
B) hypotonic to the blood. 
C) hypertonic to the blood. 
D) nontonic to the blood. 
E) molar to the blood.

Question 14

Which of the following molecules can form hydrogen bonds?

Accepted Answer

A) CH₄ 
B) NaH 
C) NH₃ 
D) BH₃ 
E) HI 
A) CH₄ 
B) NaH 
C) NH₃ 
D) BH₃ 
E) HI

Question 15

How many equivalents are present in 5.0 moles of Al3+?

Accepted Answer

A) 15 Eq 
B) 1.3 Eq 
C) 5.0 Eq 
D) 0.67 Eq 
E) 3.0 Eq 
A) 15 Eq 
B) 1.3 Eq 
C) 5.0 Eq 
D) 0.67 Eq 
E) 3.0 Eq

Question 16

The molarity (M) of a solution refers to

Accepted Answer

A) moles of solute/L of solution. 
B) moles of solute/L of solvent. 
C) moles of solute/100 mL of solution. 
D) grams of solute/100 mL of solution. 
E) grams of solute/L of solution. 
A) moles of solute/L of solution. 
B) moles of solute/L of solvent. 
C) moles of solute/100 mL of solution. 
D) grams of solute/100 mL of solution. 
E) grams of solute/L of solution.

Question 17

How many equivalents are present in 5.0 g of Al3+?

Accepted Answer

A) 15 Eq 
B) 0.56 Eq 
C) 0.19 Eq 
D) 0.37 Eq 
E) 3 Eq 
A) 15 Eq 
B) 0.56 Eq 
C) 0.19 Eq 
D) 0.37 Eq 
E) 3 Eq

Question 18

If 25.0 mL of a 0.800 M KCl solution is diluted to a final volume of 100. mL, the new concentration is ________.

Accepted Answer

The answer of If 25.0 mL of a 0.800 M...

Question 19

Which one of the following compounds will NOT be soluble in water?

Accepted Answer

A) LiOH 
B) K₂S 
C) BaSO₄ 
D) NaNO₃ 
E) MgCl₂ 
A) LiOH 
B) K₂S 
C) BaSO₄ 
D) NaNO₃ 
E) MgCl₂

Question 20

Rubbing alcohol is 70.% isopropyl alcohol by volume. How many mL of isopropyl alcohol are in a 1 pint (473 mL) container?

Accepted Answer

A) 70. mL 
B) 0.15 mL 
C) 680 mL 
D) 470 mL 
E) 330 mL 
A) 70. mL 
B) 0.15 mL 
C) 680 mL 
D) 470 mL 
E) 330 mL

Exam 9: Solutions

The number of moles of a compound dissolved in one liter of a solution is called the ________.

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

In the process known as osmosis, ________ moves through a semipermeable membrane into an area of ________ concentration.

Which one of the following compounds will be insoluble in water?

A substance that produces only a small number of ions in solution is known as a ________ electrolyte.

Hydrogen bonds are a major factor in the structure of

The O-H bond in water is polar because

A solution of sodium carbonate, Na2CO₃ , that has a molarity of 0.0100 M contains ________ equivalents of sodium ions per liter of the solution.

0.50 mole of KCl is added to 2.0 kg of water. The boiling point of the solution will be ________ the boiling point of pure water.

How many equivalents are present in 0.40 moles of SO₄ 2-?

When solutions of KCl and Pb(NO₃)₂ are mixed, a precipitate forms. Which of the following is the balanced equation for the double replacement reaction that occurs?

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

A solution with the same osmotic pressure as the blood is

Which of the following molecules can form hydrogen bonds?

How many equivalents are present in 5.0 moles of Al3+?

The molarity (M) of a solution refers to

How many equivalents are present in 5.0 g of Al3+?

If 25.0 mL of a 0.800 M KCl solution is diluted to a final volume of 100. mL, the new concentration is ________.

Which one of the following compounds will NOT be soluble in water?

Rubbing alcohol is 70.% isopropyl alcohol by volume. How many mL of isopropyl alcohol are in a 1 pint (473 mL) container?

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Filters

In the process known as osmosis, moves through a semipermeable membrane into an area of concentration.

A solution of sodium carbonate, Na₂CO₃ , that has a molarity of 0.0100 M contains ________ equivalents of sodium ions per liter of the solution.

How many equivalents are present in 0.40 moles of SO₄ ^2-?

How many equivalents are present in 5.0 moles of Al³⁺?

How many equivalents are present in 5.0 g of Al³⁺?