10. Acids and Bases

Determine the pH for the following solutions:

c. [H₃O⁺] = 0.0001 M

Solution A has a pH of 4.0, and solution B has a pH of 6.0.

a. Which solution is more acidic?

Solution X has a pH of 9.0, and solution Y has a pH of 7.0.

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.

a. What are the [H₃O⁺] and [OH^-] of Little Echo Pond?