CHEM 2770 Midterm: CHEM 2770 277Dec-2005 Exam

• School: University of Manitoba
• Department: Chemistry
• Course: CHEM 2770
• Professor: All

Document Summary

Instructions: please mark the answer sheet using pencil only, enter your name and student number on the answer sheet, the exam consists of multiple choice questions. Enter your answers on the answer sheet: there is only 1 correct answer for each question. To 100 ml of a 1. 0 m solution of this compound at ph 8. 0 is added 30 ml of 1. 0 m hydrochloric acid. The resulting solution is ph: 7. 4, 7. 22, 7. 58, 6. 53, 6. 8. Lemon juice at ph 2. 3 contains about ___ times as much h+ as milk of magnesia at ph 10. 5: 8. 2, 1. 6x108, 10-8, 12, 100,000. 75 ml of 0. 1m hcl were added to 100 ml of 0. 1m aspartate solution, ph=pi. What is the new ph? pka values for aspartate are 1. 88, 3. 65 (r-group) and 9. 60: 2. 76, 4. 13, 6. 62, 1. 40, 9. 60. Which of the following amino acids has no chiral carbon? lysine threonine: glycine, cysteine, aspartic acid.