3. A solution with a pH of 3.0 is said to be whereas a pH of 9.0 is said to be 4. Which of the following solutions contains the highest concentration of hydrogen ions? a. a solution with a pH of 4.0 b. a solution with a pH of 7.0 c. a solution with a pH of 9.0

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A:

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Q: 10x

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A: We can find out this using formula pH + pOH = 14 pOH = -log[OH-] and pH = -log [H+]

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