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Worksheets

Acids, Bases, & Solutions

Total questions: 18

Worksheet time: 18mins

Name
Class
Date
1.

What is the molarity of a solution containing 400 g of CuSO4 (FM: 159.6 g/mol) in 4.0 L of solution?

a)

100 M

b)

1.6 M

c)

0.626 M

d)

0.01 M

2.

Which solution is more concentrated?

Solution 1:

500 mL of water

100 g of salt


Solution 2:

500 mL of water

90 g of salt

a)

Solution 1

b)

Solution 2

c)

They have the same concentration

d)

I have no idea

3.
Which sweet tea would you expect to taste the sweetest?
a)
1M
b)
3M
c)
3.1M
d)
2.5M
4.

Since "like dissolves like", water and oil will not mix because

a)

both of them are polar

b)

both of them are nonpolar

c)

oil is polar and water is nonpolar

d)

oil is nonpolar and water is polar

5.
The concentration of a mixture can be increased in which of the following ways?
a)
Heating the mixture
b)
Adding more water “solvent”
c)
Adding more powder “solute”
d)
Stirring the mixture
6.

A scientists measures the amount of dissolved oxygen in samples with 4 different temperatures. All other variables are the same. Which of the following temperatures would have the highest concentration of dissolved oxygen?

a)

41 degrees Celsius

b)

34 degrees Celsius

c)

22 degrees Celsius

d)

10 degrees Celsius

7.

As pressure increases in water

a)

gases are less able to dissolve

b)

gases are more able to dissolve

c)

gases are less able to stay dissolved

8.

What is shown in the picture?

a)

dissociation

b)

solvation/hydration

c)

both dissociation and solvation/hydration

d)

neither dissociation nor solvation/hydration

9.

Hydrochloric acid (HCl) and acetic acid (HC2H3O2) are both acids. HCl completely dissociates in water, while HC2H3O2 does not. Which of the following statements best describes these two acids?

a)

HCl is a weak acid, HC2H3O2 is a weak acid.

b)

HCl is a strong acid, HC2H3O2 is a strong acid.

c)

HCl is a strong acid, HC2H3O2 is a weak acid.

d)

HCl is a weak acid, HC2H3O2 is a strong acid.

10.

Which list of pHs are in order of increasing H+ ions?

a)

6, 9, 12

b)

9, 12, 6

c)

12, 9, 6

d)

9, 6, 12

11.

How does the concentration of hydrogen ions compare to the concentration of hydroxide ions if a solution has a pH of 7?

a)

H>OH

b)

OH>H

c)

H= OH

12.
Identify the salt in the following equation:
Zn(OH)2 + HNO3   ---> H2O  + Zn(NO3)2
a)
Zn(OH)2
b)
HNO3
c)
H2O
d)
Zn(NO3)2
13.

Complete the following reaction:

HCl + Mg(OH)2 -->

a)

MgCl2 + H2O

b)

Mg +H2O

c)

MgCl2 + H2

d)

MgCl2 + H2O + CO2

14.

Complete the following reaction:

HNO3 + Ca(OH)2 -->

a)

Ca(NO3)2 + H2O

b)

Ca +H2O

c)

Ca(NO3)2 + H2

d)

Ca(NO3)2 + H2O + CO2

15.

the more H+ ions the

a)

stronger the acid

b)

weaker the acid

c)

it neutralizes

16.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
17.

The picture below shows the relative concentrations of H+ and OH- in a solution. Is the solution an acid or a base?

a)

acid

b)

base

18.

The negative ions in an acid combine with the positive ions in a base to produce this ionic compound

a)

Base

b)

Neutralization

c)

Salt

d)

pH