In this PLE we are going to continue our investigate acids and bases. (NOTE: If you can not answer a question below enter CNA.)

Important do not press the enter key or the Return key while you are answering these questions. Your Browser will interpret either key the same as clicking the mouse on the Submit button. So BE CAREFUL!

Give me some responses to the questions below and I'll give you some extra credit.

SID#:

Laboratory Section:

1. HNO3(aq) is a strong acid. What does the term 'strong acid' mean you?

2. Calculate the pH of a 0.0100 M HNO3(aq) solution.

3. HCOOH(aq) is a weak acid. What does the term 'weak acid' mean you?

4. Complete the table below given a 0.675 M HCOOH solution.

Reaction

Initial

Change

Equilibrium

5. Given that Ka for HCOOH is 1.82 x 10-4, calculate the pH of the solution.

6. Is there anything about the questions that you feel you do not understand? List your concerns/questions.