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. Write the formula for a) Conjugate base of H2O And the conjugate base of HNO3 b) Conjugate Acid of SO42- And the conjugate acid of C2H3O2-
2. Give the Conjugate Base for the following Bronsted-Lowry Acid? a) HIO3 b) NH4+ c) H2PO4- d) HC7H5O2
3. Give the Conjugate Acid of the following Bronsted Lowry Bases ? a) CN- b) O2- c) HPO42- d) C2H5NH2
4. For the reaction between nitiric acid and ammonia, which species are the B/L acid, B/L Base, conjugate acid and conjugate base ? HNO3 + NH3 NO3- + NH4+
5. Define Amphoteric substance ? Give an example.