Oklahoma State University

Answer all of the questions below. If you do not know an answer enter CNA. However, it will help me the most if you answer each question with your best intuition/idea about what would be a reasonable answer.

The PLE must be completed before class starts, for this PLE class has already met. It will not count towards your PLE total. NOTE: If class has not started and you receive this message, go ahead and do the PLE, I'll still count it.

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Laboratory Section:

1. What is the Conjugate Base of each of the following acids? a) HNO3 b) H2SO4 c) HPO42- d) H2O e) NH3

2. Identify the Conjugate Acid-Base Pairs in the following eqautions? a) HCl + NH3 NH4+ + Cl - b) HCO3- + OH- CO32- + H2O

3. Identify the Bronsted-Lowry acid -base pairs on the left side of the reaction, also identify the conjugate acid-base pairs on the right side of the following reactions? a) HCHO2 + PO43- CHO2- + HPO42- b) HBrO + H2O H3O+ + BrO-

4. Identify the Bronsted-Lowry acid -base pairs on the left side of the reaction, also identify the conjugate acid-base pairs on the right side of the following reactions? a) NH3 + H2O NH4+ + OH- b) NH4+ + H2O NH3 + H3O+

5. What is the conjugate acid of each of the following bases? a) NO3- b) CH3NH2 c) H2O