

Understanding pH and Ion Concentration
Interactive Video
•
Chemistry, Science, Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when water gains a hydrogen ion?
It becomes acidic.
It becomes neutral.
It becomes hydronium.
It becomes hydroxide.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of water self-ionizing?
Formation of two hydronium ions.
No ion formation.
Formation of a hydronium ion and a hydroxide ion.
Formation of two hydroxide ions.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pH of a neutral solution?
Above 7
Depends on the temperature
Below 7
Exactly 7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are pH and pOH related?
They are directly proportional.
They are unrelated.
They are inversely proportional.
They are equal.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating pH?
pH = concentration of hydrogen
pH = concentration of hydroxide
pH = -log(concentration of hydrogen)
pH = log(concentration of hydroxide)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many significant figures does a pH of 6.725 have?
Five
Four
Three
Two
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the concentration of hydrogen ions in a solution with a pH of 8.0?
6.3 * 10^8 M
6.3 * 10^-9 M
6.3 * 10^-8 M
6.3 * 10^9 M
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