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  5. Calculating Ph, Poh, H+ And Oh Concentration

Calculating pH, pOH, H+ and OH- concentration

Authored by Melvin Flores

Science

9th - 12th Grade

NGSS covered

Used 31+ times

Calculating pH, pOH, H+ and OH- concentration
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35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 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

30 sec • 1 pt

If a solution has a [OH-] of 2.3x10-4, it must be a(n)...

Acid

Base

Neutral

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A  pH and a pOH will add up to:

0
7
14
1.0 x 10-14

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If the pH of a solution is 5.6 the pOH is

6.5
12.4
8.4
5.6

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equation for calculating pH?

pH = [H+]

pH = log [H+]

pH = -log[OH-]

pH = -log [H+]

7.

MULTIPLE CHOICE QUESTION

2 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

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