1. What is the conjugate base for HNO? A. HNO3 B. HNO ABCD C. NO D. NO2 2. Which of the following is a conjugate acid/base pair? A. HCI/OCI HSO4/SO42- B. C. NH, NH3 D. H0*/OH 3. Given the following acids and K, values: HOAC 1.76 x 10-5 Which acid is the strongest? A. HOC B. HCN C. HF D. All are equally strong B. 11.7 M C. 5 x 10 M D. 4 x 10-1 M E. 2 x 10-2 M HCN 4.93 10-10 4. Calculate the [H] in a solution that has a pH of 11.70 A. 2.3 M C. 9.5 D. 6.3 E. 12.1 (3 pts each) HF 3.53 x 104 5. The pH of a solution in which the [OH] = 3.4 x 105 M is A. 4.5 B. 10.5