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10. Acids and Bases

The pH Scale

10. Acids and Bases

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Solution A has a pH of 4.0, and solution B has a pH of 6.0. (10.6)a. Which solution is more acidic?

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Related Practice

Complete the following table:

What is the difference between H⁺ and H₃O⁺?

When food enters the stomach, HCl is released and the [H₃O⁺] of the stomach fluid rises to 4 x 10⁻² M. What is the pH of the stomach fluid?

Determine the pH for the following solutions: (10.6)c. [H₃O⁺] = 0.0001M

Solution X has a pH of 9.0, and solution Y has a pH of 7.0. (10.6)a. Which solution is more acidic?

One of the most acidic lakes in the United States is Little Echo Pond in the Adirondacks in New York. Recently, this lake had a pH of 4.2, well below the recommended pH of 6.5. (10.6, 10.7) a. What are the [H₃O⁺] and [OH⁻] of Little Echo Pond?

Multiple Choice

Which of the following statements about aqueous solutions is/are true?

Multiple Choice

What is the Kw of pure water at 20.0°C, if the pH is 7.083?

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