Why is the calculation of pH for strong acids and bases considered simpler than for weak acids and bases?

pH and pOH Calculations

Interactive Video
•
Chemistry, Science, Mathematics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Strong acids and bases completely dissociate in solution.
Strong acids and bases do not dissociate in solution.
Weak acids and bases have a higher concentration of ions.
Weak acids and bases do not react with water.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating the pH of a solution?
pH = log base 10 of the concentration of hydroxide ions
pH = negative log base 10 of the concentration of hydrogen ions
pH = negative log base 10 of the concentration of water
pH = concentration of hydrogen ions
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between pH and pOH for a given solution?
pH + pOH = 7
pH + pOH = 14
pH + pOH = 1
pH + pOH = 0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of HCl, what is the concentration of hydronium ions if the initial concentration of HCl is 0.01 M?
0.001 M
0.1 M
0.01 M
1 M
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pH of a 0.01 M HCl solution?
3
2
1
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in calculating the pH of a strong base like NaOH?
Write the chemical equation for dissociation
Find the concentration of hydrogen ions
Ignore the concentration of hydroxide ions
Calculate the pH directly
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the concentration of NaOH is 0.1 M, what is the pOH of the solution?
14
10
2
1
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