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Calculating pH

Authored by Kasey Wendel

Chemistry

10th - 12th Grade

NGSS covered

Used 80+ times

Calculating pH
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If a solution has a [H+] of 9.3x10-11, what is the pH?

10.0

4.0

3.5

8.2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the equation for calculating pH?

pH = [H+]

pH = log [H+]

pH = -log[OH-]

pH = -log [H+]

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If the hydronium ion H3O+ concentration is equal to the hydroxide ion OH- concentration, the solution is a(n)

acid

base

salt

neutral solution

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The pH scale is a range from:

1-7
0-14
1-5
1-20

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

if the [H+] of a solution is 1.0 x 10-2 mol/L the pH is

2
-2
1
12

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Ammonia has a pH of 12.  Ammonia is __________.

an acid
a base
an element
a metal

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