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Chapter 3 - Acid base neutralization

Total questions: 25

Worksheet time: 20mins

Name
Class
Date
1.

What is the [H+] in a solution with a pH of 11?

a)

1 x 10-1 M

b)

1 x 10-2 M

c)

1 x 1011 M

d)

1 x 10-11 M

2.

What is the [OH-] if the [H+] is 1.0 x 10-3 M?

a)

1.0 x 10-3 M

b)

6.02 x 10-23 M

c)

1.0 x 10-14 M

d)

1.0 x 10-11 M

3.

What is the [OH-] if the pH is 4.9?

a)

7.94 x 10-10 M

b)

1.0 x 10-4 M

c)

7.94 x 10-14 M

d)

4.9 x 10-10 M

4.

What is the pOH of a 1 x 10-8 M solution of HNO3?

a)

8

b)

6

c)

7

d)

9

5.

What completely ionizes in solution?

a)

Weak acids

b)

Strong acids

c)

Strong Salts

d)

Neutral salts

6.

CO32-(aq) + H2O(l) → HCO3-(aq)+OH-(aq)

Using the above reaction, which compound is the conjugate base?

a)

CO32-

b)

H2O

c)

HCO3-

d)

OH-

7.

An Arrhenius acid:

a)

donates H+ to another substance

b)

accepts H+ from another substance

c)

produces H+

d)

produces OH-

8.

A Bronsted Lowry base:

a)

donates H+ to another substance

b)

accepts H+ from another substance

c)

produces H+

d)

produces OH-

9.

In the equation below, what is the Bronsted Lowry acid?

HCl + NH3 --> Cl- + NH4+

a)

HCl

b)

NH3

c)

Cl-

d)

NH4+

10.

Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?

a)

lemon juice, milk, baking soda, bleach

b)

bleach, baking soda, milk, lemon juice

c)

milk, lemon juice, baking soda, bleach

d)

baking soda, bleach, lemon juice, milk

11.
A solution with a pH of 7 is________
a)
increasing
b)
neutral
c)
decreasing
d)
apple juice
12.
HCl is a __________.
a)
Weak acid
b)
Strong acid
c)
Weak base
d)
Strong base
e)
Neutral
13.

Which compound is the conjugate acid? (Hint: Determine the base)

PO43- + HNO3 ==> NO3- + HPO42-

a)

PO43-

b)

HNO3

c)

NO3-

d)

HPO42-

14.

In the reaction below, H2O is a(n):

H2SO3 + H2O --> H3O+ + HSO3-

a)

base

b)

acid

c)

conjugate acid

d)

conjugate base

15.
HSO4+ H2 H3O++ SO42-
Identify the Acid in the above reaction.
a)
HSO4-
b)
H2O
c)
H3O+
d)
SO42-
16.
CO32-(aq)+H2O(l)      →              HCO3-(aq)+OH-(aq)
Using the above reaction, which compound is the conjugate base?
a)
CO32-
b)
H2O
c)
HCO3-
d)
OH-
17.

KOH has a pOH of 3.0, what is the [OH-]?

a)

0.01 M

b)

0.001 M

c)

0.0001 M

d)

0.1 M

18.

What is the pOH of a solution with and [OH-] = 4.5 x 10-4?

a)

3.53

b)

3.80

c)

3.35

d)

5.33

19.
What is the [H+] if the pH is 4.0?
a)
1.0 x 10-10  M
b)
1.0 x 10-4  M
c)
1.0 x 10-14  M
d)
1.0 x 10-7  M
20.
What is the [OH-] if the [H+] is 1.0 x 10-3M?
a)
1.0 x 10-3 M
b)
6.02 x 10-23 M
c)
1.0 x 10-14 M
d)
1.0 x 10-11 M
21.

What is the pH of a 1.53 x 10-6 M solution of HCl?

a)

5.82

b)

8.18

c)

6.99

d)

4.15

22.
The pH of a 0.001 M solution of HCl is 
a)
11
b)
3
c)
-3
d)
-11
23.

Calculate the pH of 0.05 M Ba(OH)2.

a)

pH = 13

b)

pH = 1

c)

pH = 1.3

d)

pH = 12.7

24.

What is the concentration of KOH when the pH is 11.89?

a)

128.82 M

b)

1.28 x 10-12 M

c)

7.76 x 10-3 M

25.

Calculate the pH of a solution in which [OH-] is 2.5 x 10-3 M.

a)

pH = 2.6

b)

pH = 11.4

c)

pH = 5.3