Chemistry Practice Problems pH and pOH Practice Problems Solution: 1. Three solutions have the following pH:      pH ...

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# Solution: 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

###### Problem

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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pH and pOH

pH and pOH

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