Understanding pH, pOH, and OH- Concentrations

Understanding pH, pOH, and OH- Concentrations

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Jennifer Brown

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula used to calculate pH from the concentration of hydrogen ions?

pH = 14 - [H+]

pH = [H+]^2

pH = log[H+]

pH = -log[H+]

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate pOH if you know the pH?

pOH = pH - 14

pOH = pH + 14

pOH = 14 - pH

pOH = 14 / pH

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between pH and pOH in a solution?

pH + pOH = 14

pH * pOH = 14

pH / pOH = 14

pH - pOH = 14

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method can be used to find the concentration of OH- directly from the concentration of H+?

Using the formula [OH-] = [H+] + Kw

Using the formula [OH-] = Kw / [H+]

Using the formula [OH-] = [H+] - Kw

Using the formula [OH-] = [H+]^2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the unit 'M' in the context of concentration?

It stands for molarity, indicating moles per liter.

It stands for magnitude, indicating the strength of the solution.

It stands for molality, indicating moles per kilogram.

It stands for mass, indicating grams per liter.