1. The [OH-] of a solution is 3.6 x 10-4 M. What is the [H3O+] ? Is the solution acidic, basic, or neutral ?
2. What is the correct molecular formula for the structure : Br-CH2-CH-OCH3-CH3
3. Identify the buffer system from the following acid-base pairs: a. HCL and Cl- b. H2CO3 and OH- c. HNO3 and NO2- d. H2CO3 and HCO3-