What is the pH value when the pOH is 10 at 25 degrees Celsius?

Calculating pH and Percent Ionization of Weak Acids and Bases

Interactive Video
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Science
•
9th - 12th Grade
•
Hard

Aiden Montgomery
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pH = 14
pH = 4
pH = 10
pH = 6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which constant is used to describe the equilibrium of a weak acid in water?
Ka
Kc
Kb
Kw
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of Kw at 25 degrees Celsius?
1 x 10^-5
1 x 10^-14
1 x 10^-7
1 x 10^-10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the pKa value represent in acid-base chemistry?
The product of pH and pOH
The negative logarithm of the acid dissociation constant
The base dissociation constant
The hydrogen ion concentration
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is percent ionization calculated for a weak acid?
Concentration of ionized acid divided by initial concentration times 100%
Concentration of H+ ions times initial concentration
Concentration of OH- ions divided by initial concentration
Initial concentration divided by concentration of ionized acid
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pH of a 0.75 M acetic acid solution given Ka = 1.8 x 10^-5?
pH = 3.67
pH = 2.43
pH = 4.75
pH = 1.80
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the pH of a solution from the hydroxide ion concentration?
pH = pOH + 7
pH = pOH - 14
pH = 14 - pOH
pH = 14 + pOH
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