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pH, pOH, & Neutralization Practice

Total questions: 17

Worksheet time: 33mins

Name
Class
Date
1.

For a solution, pH + pOH =

a)

7

b)

1.0 x 10-14

c)

14

d)

-log (1.0 x 10-14)

2.

If the pH of a solution is 4.0, what is the pOH?

a)

4.0

b)

1.0 x 10-4

c)

10

d)

Cannot be determined from the information

3.

The pH of a solution is 8.43. What is the hydrogen ion H+ concentration?

a)

3.7 x 10-9 M

b)

2.7 x 10-6 M

c)

1.0 x 10-8.43 M

d)

1.0 x 10-14

4.

If the [H+] of a solution is 1 x 10-2 M, the pH is

a)

2

b)

12

c)

-2

d)

1

5.

If the pH of a solution is 5 the [H+] is

a)

1.0 x 105 M

b)

1.0 x 109 M

c)

5.0 x 101 M

d)

1.0 x 10-5 M

6.

If the [OH-] of a solution is 2.7 x 10-4 M, the pOH of the solution is

a)

10.44

b)

3.56

c)

1.00

d)

-4.43

7.

If the [H+] of a solution is 6.8 x 10-9 M, the pH is

a)

8.17

b)

5.73

c)

9.99

d)

8.62

8.

if the [H+] of a solution is 8.4 x 10-3 M, the pOH of the solution will be

a)

2.08

b)

11.92

c)

1.02

d)

12.98

9.

if a solution has a pOH of 5.2 the [OH-] of the solution is

a)

6 x 10 6 M

b)

6.3 x 10 -6 M

c)

1.58 x 10-5 M

d)

2 x 10-5 M

10.

Limes have a [H+] of 1.3 x 10-2 M. Their pOH is

a)

1.89

b)

12.11

c)

1.03

d)

12.97

11.
A neutralization reaction will (almost) always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
12.

A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions

a)

acid

b)

base

c)

salt

d)

pH

13.
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
14.

Complete the following reaction:

HCl + Mg(OH)2 -->

a)

MgCl2 + H2O

b)

Mg +H2O

c)

MgCl2 + H2

d)

MgCl2 + H2O + CO2

15.

Complete the following reaction:

H3PO4 + NaOH -->

a)

Na3PO4 + H2O

b)

Na +H2O

c)

Na3PO4 + H2

d)

Na3PO4 + H2O + CO2

16.

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

17.

When an acid and base has been neutralized the pH will be?

a)

1

b)

4

c)

7

d)

10