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Worksheets

Acids and Bases Review

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.
What is the name of Mg(OH)2
a)
magnesium hydroxide acid
b)
hydromagnesium acid
c)
magnesium oxygen hydride
d)
magnesium hydroxide
2.

What is the pH of a solution if [H+] = 6.0 x 10-10 M?

a)

3.45

b)

6.25

c)

9.22

d)

11.34

3.

What is the pH of a solution if [OH-] = 1.0 x 10-5M?

a)

5.00

b)

7.00

c)

9.00

d)

11.00

4.
What is the pH of a solution of 0.0050 mol of HBr in 2.500 L of water?
a)
1.35
b)
2.70
c)
5.68
d)
8.25
5.
Which one of the following solutions is the most acidic?
a)
[H+] = 2.4 x 10-6 M
b)
[OH-] = 9.8 x 10-4 M
c)
[H+] = 4.2 x 10-7 M
d)
[OH-] = 1.7 x 10-12 M
6.
Predict the products for the following reaction:
LiOH + H2SO-->
a)
LiSO4 + HOH
b)
LiSO4 + H2(OH)
c)
Li2SO4 + HOH
d)
Li2SO4 + H2(OH)
7.
How many moles of potassium hydroxide are needed to completely neutralize 0.75 mol of phosphoric acid? The balanced equation is:
H3PO4 + 3KOH --> K3PO4 + 3H2O
a)
0.75 mol
b)
2.25 mol
c)
0.25 mol
d)
0.375 mol
8.
If a 25 mL sample of HCl is neutralized by 21.3 mL of 0.78 M Mg(OH)2, what is the molarity of HCl? The balanced equation is:
2HCl + Mg(OH)2 --> MgCl2 + 2HOH
a)
0.00033 M HCl
b)
0.0013 M HCl
c)
0.35 M HCl
d)
1.3 M HCl
9.

An acid....

a)

Turns light pink when phenolphthalein is added

b)

Produces H+ ions in water

c)

Turns blue when tested with litmus paper

d)

Has a pH of less than 7.

10.

Identify the acid listed below:

a)

KOH

b)

H2O

c)

H2SO4

d)

NaCl

11.

Which of the following is a base:

a)

Drain Cleaner, pH 11

b)

Stomach Acid, pH 2

c)

Water, pH 7

d)

Baking Soda, pH 8

12.

Which of the following represents an acid solution:

a)

[H+] = [OH-]

b)

[H+] greater than [OH-]

c)

[H+] less than [OH-]

d)

[OH-] greater than [H+]

13.

If HF and KOH react, which salt would be produced?

a)

KF

b)

HOH

c)

FOH

d)

HK

14.

During a neutralization reaction the salt, KBr, is produced. What acid reacted?

a)

HK

b)

KOH

c)

HBr

d)

HOH

15.

What does a color change to faint pink signal in a titration?

a)

End point has been reached and solution is neutralized.

b)

Solution is more acidic

c)

You need to add more base.

d)

The pH of the solution is 14

16.

During a titration, 20. mL of 0.50 M HF is used to neutralize 10. mL of NaOH. What is the concentration of the base?

a)

1.0 M NaOH

b)

0.25 M NaOH

c)

400 M NaOH

d)

10 M NaOH

17.

Which of the following values would represent the pH of a strong base?

a)

1

b)

8

c)

7

d)

13

18.

When found in food, acids often taste ________.

a)

Sour

b)

Bitter

c)

Salty

d)

Slippery

19.

When found in food, bases often taste _______.

a)

Sour

b)

Bitter

c)

Salty

d)

Soggy

20.

Many cleaning solutions are bases. Which of the following is a common property among basic solutions?

a)

slippery feel

b)

white color

c)

salty taste

d)

sour taste