Free Printable pH and pOH

Worksheets

pH and pOH

Total questions: 22

Worksheet time: 22mins

Name

Class

Date

If the [H+] of a solution is 1 x 10^-2 mol/L the pH is

-2

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

1.0 x 10⁵ M

1.0 x 10⁹ M

5.0 x 10¹ M

1.0 x 10^-5 M

If the pH of a solution is 5.6 the pOH is

6.5

12.4

8.4

5.6

A pH and a pOH will add up to:

1.0 x 10^-14

If the [H₃O⁺] of a solution is 1 x 10^-8 mol/L the [OH-] is

1.0 x 10^-6

1.0 x 10⁶

1.0 x 10^-8

1.0 x 10⁸

If the [OH-] of a solution is 2.7 x 10^-4 mol/L the pOH of the solution is

10.44

3.56

1.00

-4.43

If the [H+] of a solution is 6.8 x 10^-9 mol/L the pH is

8.17

8.2

9.99

8.62

if the [H+] of a solution is 8.4 x 10^-3 mol/L the pOH of the solution will be

2.08

11.92

1.02

12.98

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

6 x 10 ^-6 M

6.3 x 10 ^-6 M

1.58 x 10^-5 M

2 x 10^-5 M

10.

If the pH of an acid is 3, then it's pOH will be ...

11.

If the pOH of a base is 5, it's pH will be...

12.

What is the pOH of a neutral solution?

13.

How are pH and pOH related?

$pH+pOH\ =\ 14$

$pH=pOH$

$pH-pOH=14$

$pH\ =\ \frac{1}{pOH}$

14.

What does the H in pH stand for?

hydroxide

hydrogen

helium

heat

15.

Acids have a ______ pH and a _________ pOH

low, high

high, low

An acid will not have a pOH

16.

The pH scale is a range from:

1-7

0-14

1-5

1-20

17.

Which of these solutions is an acid?

Dish Soap: pH of 12

Tomato Soup: pH of 4

Baking Soda: pH of 9

Drain Cleaner: pH of 14

18.

Ammonia has a pOH of 2. Ammonia is __________.

an acid

a base

an element

a metal

19.

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

acid

base

20.

Water has a neutral because

it has more H+ ions than OH-

it has more OH- ions than H+

it does not produce any ions

it has an equal amount of H+ and OH- in solution

21.

A solution has a pH of 7.0. What would happen to the pH if H ions were added?

pH would go up

pH would go down

pH would stay the same

None of these

22.

A solution has a pH of 7.0. What would happen to the pH if OH^- ions were added?