1. Three solutions have the following pH:
pH = 4.3
pH = 6.8
pH = 11.5
a) Which solution contains the highest H3O+ ion concentration?
b) Which solution is the most acidic?
c) Which solution is the most basic?
2. What is the difference between a strong acid and a weak acid?
3. Calculate [H3O+] and [OH-] for the following three solutions
a) pH = 9.5
b) pH = 3.6
c) pH = 7.0
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