Which of the following 0.10 M aqueous solutions

gives the LOWEST pH?
1. CH3COOH (pKa = 4.75)
2. CCl3COOH (pKa = 0.52)
3. HF (pKa = 3.45)
4. H3PO4 (pKa1 = 2.12)
5. Because all are acids, the pH is the same
for all solutions

1 answer

See your other post. Which is the strongest acid in the group.