What is the primary characteristic of a polyprotic acid like sulfuric acid?

Understanding Sulfuric Acid and pH Relationships

Interactive Video
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Chemistry
•
10th - 12th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It has only one hydrogen ion to donate.
It can donate more than one hydrogen ion.
It does not dissociate in water.
It is a strong base.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the first dissociation step of sulfuric acid considered significant?
It ionizes almost completely.
It occurs partially.
It does not occur at all.
It forms a weak base.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When calculating the pH of a low concentration H2SO4 solution, why can't we ignore the second dissociation step?
The second step does not occur.
The solution is a strong base.
The first step is not significant.
The concentrations are too similar.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to calculate the equilibrium concentrations in a phosphoric acid solution?
Titration method
Spectroscopy
Electrolysis
ICE table method
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At a pH of 1.5, which species is predominant in a phosphoric acid solution?
Hydrogen phosphate
Phosphoric acid
Phosphate ion
Dihydrogen phosphate
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the predominant species in a solution if you know the pH and pKa values?
By measuring the temperature
By using a color indicator
By comparing the pH to the pKa values
By calculating the molarity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pH of a solution that is almost entirely dihydrogen phosphate?
Equal to pKa2
Equal to pKa1
Average of pKa2 and pKa3
Average of pKa1 and pKa2
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