Laredo Community College

BIOLOGY 1308

Quiz 3

1)Egg white has a proton concentration of approximately 0.001M(10^-8).

2. Which of the following is the strongest acid?

3. Suppose you are given an unknown solution and you need to test its pH. The pH meter is broken, and all you have is the indicator bromothymol blue to use. You add two drops of bromothymol blue to 10 mL of your unknown, and the solution turns a bright yellow. Which of the following is the best estimate of the pH of the unknown solution?

4. The results from a reaction of a base (BOH) and a hydronium ion (H3O+) are 2 H2O and B+.

5.   are substances used to assist in determining the pH of a sample

6. Solutions with a pH lower that 7 are                                  and solutions with a pH greater that 7 are                                  

7. Which of the following is the strongest base?

8. Bronsted-Lowry is an acid, that donates a proton in aqueous solution.