Acid and Bases review
Flashcard
•
Chemistry
•
10th - 11th Grade
•
Practice Problem
•
Hard
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14 questions
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1.
FLASHCARD QUESTION
Front
What is pH?
Back
pH is a measure of the acidity or basicity of a solution, calculated as the negative logarithm of the hydrogen ion concentration: pH = -log[H+].
2.
FLASHCARD QUESTION
Front
What is the relationship between pH and pOH?
Back
pH + pOH = 14. This relationship shows that as the acidity of a solution increases (lower pH), the basicity decreases (higher pOH), and vice versa.
3.
FLASHCARD QUESTION
Front
What is an acid?
Back
An acid is a substance that donates protons (H+) in a solution and has a pH less than 7.
4.
FLASHCARD QUESTION
Front
What is a base?
Back
A base is a substance that accepts protons (H+) or donates hydroxide ions (OH-) in a solution and has a pH greater than 7.
5.
FLASHCARD QUESTION
Front
What is the endpoint of a titration?
Back
The endpoint of a titration is the point at which the amount of acid and base are stoichiometrically equivalent, often indicated by a color change.
6.
FLASHCARD QUESTION
Front
What is the formula for calculating molarity?
Back
Molarity (M) = moles of solute / liters of solution.
7.
FLASHCARD QUESTION
Front
How do you calculate the pH from [H+] concentration?
Back
pH = -log[H+]. For example, if [H+] = 6.0 x 10^-10 M, then pH = 9.22.
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