7.6.2 - Calculating the pH of Polyprotic Acids
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Practice Questions
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What is a polyprotic acid?
💡 Hint: Think about how many protons an acid can donate.
Give an example of a diprotic acid.
💡 Hint: Consider well-known strong acids.
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Interactive Quizzes
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What is a polyprotic acid?
💡 Hint: Think about how many protons a polyprotic acid can donate.
True or False: The second dissociation of most weak polyprotic acids is significant for calculating pH.
💡 Hint: Consider which dissociation provides most H+ ions.
1 more question available
Challenge Problems
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Calculate the pH of a 0.01 M solution of H₃PO₄ considering its first and second dissociation.
💡 Hint: Remember to include the original concentration changes for each successive Ka.
For a 0.2 M solution of sulfuric acid, discuss the step-by-step calculation of pH considering both dissociation steps.
💡 Hint: Find out how to factor in each dissociation's contributions together.
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