CHEM 188 ? Spring, 2011 Hour Exam 2 (Early) March 9, 2011 Instructions: Your scantron answer sheet must show your NAME, 7-DIGIT KU ID NUMBER, and LAB SECTION. (Begin these entries at the LEFT end of the space provided.) In answering the questions, be careful to fill in the corresponding circles on the answer sheet according to the number of the question on the exam. USE A SOFT (No. 2) PENCIL. Useful information: Henderson-Hasselbalch eqn. Quadratic formula: 1. In the reaction? H2CO3 + H2O ( HCO3( + H3O+?the Br?nsted acids are 1. H2CO3 ? 2. H2O? 3. HCO3( ? 4. H3O+ A. 1 & 3 B. 1 & 4 C. 2 & 3 D. 2 & 4 E. none of the above