Lecture 10

Question 1

What is a polyprotic acid

Answer 1

Can furnish more than 1 proton
–> dissociate in a stepwise fashion

Question 2

How to do problems with polyprotic acids

Answer 2

1. Find Ka of each dissociation (Ka1, Ka2, Ka…) until only one H+ on P side
2. Use the highest Ka (usually the first Ka1)