Understanding pH, pOH, and OH- Concentrations
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
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.
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