Quiz about Concentration and Solutions Worksheet

Question 1

Which of these is the most acidic?

Accepted Answer

pH = 2

Answer

pH = 7

Answer

pH = 4

Answer

pH = 9

Question 2

Product of KOH + H2SO4 is ...

Accepted Answer

K2SO4 + H2O

Answer

KSO4 + H2O

Answer

KSO4 + H2O

Answer

K2SO4 + 2H2O

Question 3

Which of these is the formula of a base?

Accepted Answer

NaOH

Answer

NaCl

Answer

Cl2

Answer

HCl

Question 4

The taste of acids is...

Accepted Answer

sour

Answer

bitter and sweet

Answer

sweet and salty

Answer

salty

Question 5

What is created when acids react with metal?

Accepted Answer

hydrogen gas

Answer

a base

Answer

nothing

Answer

salt

Question 6

What is titration?

Accepted Answer

Neutralization reaction

Answer

Normal chemical reaction

Answer

Combustion reaction

Answer

Redox reaction

Question 7

A substance has a slippery feel and a pH of 13. What is this substance?

Accepted Answer

A base

Answer

An acid

Answer

A salt

Answer

Water

Question 8

Product of acid and base reaction is ... .

Accepted Answer

salt and water

Answer

salt and oxygen

Answer

salt and hydrogen

Answer

salt and carbon dioxide

Question 9

Product of KOH + HCl is ... .

Accepted Answer

KCl + 2H2O

Answer

3KCl + 2H2O

Answer

2KCl + 2H2O

Question 10

pH of 11.... acid or base?

Accepted Answer

base

Answer

acid

Answer

neutral

Answer

neither

Question 11

A solution with more hydroxide ions present than hydrogen ions .... ?

Accepted Answer

base

Answer

acid

Answer

neither

Answer

both

Question 12

Which of the following pH would be considered acidic?

Accepted Answer

3

Answer

12

Answer

7

Answer

8

Question 13

How much volume of a 0.15 M KOH is needed to titrate 75 mL of a 0.5 M HCl?

Accepted Answer

22.5 mL

Answer

9 mL

Answer

23 mL

Answer

95 mL

Question 14

Both solutions have equal volumes of 30 mL. Which solution is more concentrated?

Accepted Answer

Solution Y

Answer

Solution X

Answer

They have the same concentration

Question 15

What volume is needed to dissolve 0.45 moles of NaCl in 0.5 M solution?

Accepted Answer

900 mL

Answer

0.5 mL

Answer

450 mL

Answer

50 mL

Question 16

If 14.0 grams of NaCl (1 mol NaCl = 58.44 g) dissolve in 0.50 liters of water, what is the solution's molarity?

Accepted Answer

0.48 M

Answer

2.1 M

Answer

7.0 M

Answer

28 M

Question 17

What is the correct unit used to measure volume in the molarity formula?

Accepted Answer

L

Answer

mL

Answer

cm

Answer

g

Question 18

How many grams of potassium hydroxide are needed to make a 1.2m solution made with 1.5kg of water?

Accepted Answer

101g

Answer

132g

Answer

44.9g

Answer

58.5g

Question 19

What is the molarity of 5.00 g of NaOH (1 mol NaOH=40.0 g) in 750.0 mL of solution?

Accepted Answer

.167 M

Answer

1.20 M

Answer

1.39 M

Answer

2.50 M

Question 20

What is the concentration of a solution made of 0.97 moles of NaCl is dissolved in 3.7 L of water?

Accepted Answer

0.26 M

Answer

3.8 M

Answer

0.22 M

Answer

2.09 M

Question 21

Determine the molarity for 5.0 mol KCL in 7.500 L of solution

Accepted Answer

0.6 units

Answer

0.4 units

Answer

3 units

Answer

0.8 units

Question 22

What is the molarity for 0.444 mol of CoCl2 in 1500 mL of solution?

Accepted Answer

0.30 M

Answer

3.4 M

Answer

3.8 M

Answer

0.44 M

Question 23

How many moles of NaCl must be dissolved in 500.0 mL of solution to produce 1.15 M solution?

Accepted Answer

0.575 mol

Answer

575 mol

Answer

0.434 mol

Answer

434 mol

Question 24

Molarity is abbreviated

Accepted Answer

M

Answer

m

Answer

MOL

Answer

mol

Question 25

How many liters of potassium chloride KCl must be in a solution with 0.75 moles and a molarity of 1.5?

Accepted Answer

0.500 liters

Answer

0.250 liters

Answer

1.00 liters

Answer

2.00 liters

Question 26

What is an electrolyte?

Accepted Answer

A substance that dissolved in water and produces ions.

Answer

A substance that doesn't dissolve in water.

Answer

A substance that dissolves in water and doesn't produce ions.

Answer

A substance that is a solid at room temperature.

Question 27

A great conductor of electricity is a:

Accepted Answer

strong electrolyte

Answer

weak electrolyte

Question 28

What is a weak electrolyte?

Accepted Answer

A substance that partially ionizes in water.

Answer

A substance that completely ionizes in water.

Answer

A substance that doesn't ionize in water.

Answer

A substance that doesn't have ions.

Question 29

Nonelectrolytes.....

Accepted Answer

does not conduct electricity

Answer

conduct a large amount of electricity

Answer

conducts a small amount of electricity

Question 30

What is a nonelectrolyte?

Accepted Answer

A substance that dissolves in water and doesn't produce ions.

Answer

A substance that dissolves in water and produces ions.

Answer

A substance that is a solid at room temperature.

Answer

A substance that melts at room temperature.

Question 31

How does crushing a solute make it dissolve faster in a solution?

Accepted Answer

increases the surface area of the solute

Answer

decreases the surface area of the solute

Question 32

Determine the molarity for 0.443 mol of CoCl2 in 0.654L of solution?

Accepted Answer

0.68 M

Answer

68 M

Answer

0.068 M

Answer

0.0068 M

Question 33

Determine the molarity for 2.856 mol KCl in 5.5 L of solution?

Accepted Answer

0.52M

Answer

0.85M

Answer

0.56M

Answer

0.99M

Question 34

A solid solute cannot dissolve in a liquid. It is called:

Accepted Answer

insoluble

Answer

soluble

Answer

immiscible

Answer

all of these are true

Question 35

How many moles of Na2CO3 are in 20.0L of 4.00M solution?

Accepted Answer

80 mol

Answer

5 mol

Answer

0.2 mol

Answer

100 mol

Question 36

A solute that contains polar molecules will dissolve in a solvent that contains

Accepted Answer

polar molecules

Answer

nonpolar molecules

Answer

bipolar molecules

Answer

equal-sized molecules

Question 37

What is the equation for finding molarity?

Accepted Answer

M = moles of solute/ liters of solution

Answer

M = grams of solute/ mL of solution

Answer

M = moles of solute/ mL of solution

Answer

M = grams of solute/ liters of solution

Question 38

Molarity is defined as:

Accepted Answer

moles of solute dissolved in liters of solution

Answer

moles of solvent dissolved in liters of solution

Answer

basic unit of volume in the metric system

Answer

moles of solution dissolved in liters of solute

Question 39

Acid, Base or Both: can be slippery

Accepted Answer

Bases

Answer

Acid

Answer

Both

Answer

Neter

Question 40

Acid, Base, or Both: bitter taste

Accepted Answer

Base

Answer

Acid

Answer

Both

Answer

Neter

Question 41

Acid, Base, or Both: produces hydroxide ions (OH-)

Accepted Answer

Base

Answer

Acid

Answer

Both

Answer

Neither

Question 42

Which solution is the most concentrated?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 43

A teacher asks the students to slow down the salt crystal's dissolution in water. What should the students do to slow down the dissolving process?

Accepted Answer

Use cold water

Answer

Increase the temperature of the water

Answer

Stir the solution vigorously

Answer

Crush the salt crystals

Question 44

What does the term concentrated mean?

Accepted Answer

There is a large amount of solute

Answer

There is a small amount of solute

Answer

There is a large amount of solvent

Answer

The mixture is heated

Concentration and Solutions Worksheet

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