pH calculations Flashcard
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is pH?
Back
pH is a measure of the hydrogen ion concentration in a solution, indicating its acidity or alkalinity. It is calculated as pH = -log[H+].
2.
FLASHCARD QUESTION
Front
How do you calculate pOH from pH?
Back
pOH can be calculated using the formula: pOH = 14 - pH.
3.
FLASHCARD QUESTION
Front
What is the relationship between [H+] and pH?
Back
The concentration of hydrogen ions [H+] is inversely related to pH; as [H+] increases, pH decreases.
4.
FLASHCARD QUESTION
Front
What is the formula to find [H+] from pH?
Back
[H+] can be calculated using the formula: [H+] = 10^(-pH).
5.
FLASHCARD QUESTION
Front
What is the formula to find pH from [H+]?
Back
pH can be calculated using the formula: pH = -log[H+].
6.
FLASHCARD QUESTION
Front
What is the pOH of a solution with a pH of 7?
Back
The pOH of a solution with a pH of 7 is 7, since pOH = 14 - pH.
7.
FLASHCARD QUESTION
Front
If [H3O+] = 1.0 x 10^-3 M, what is the pH?
Back
pH = -log(1.0 x 10^-3) = 3.
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