CHEM 1422 : CH1422 SP16 Exam 2
Document Summary
Encode your answers on the scantron sheet with soft pencil. At the end of the exam, hand in the scantron sheet and the entire exam paper to the proctor. In which of the following reactions is/are the species shown in bold font acting in the capacity of an acid? (i) hso4 (ii) h2c6h7o5 (iii) h2po4 (iv) nh4. 8. 21 (ii) (iv: (i) = 2. 3 x 10 13 m, (ii) = basic, (iii) = 1. 6 x 10 6 m, (iv) = acidic, (v) = 5. 54. 2 (aq) + hco3: so4, f (aq) + nh4, h2co3(aq) + cl (aq) d hco3. +(aq) + oh (aq) d nh3(aq) + h2o(l: h2po4. Arrange the following substances in order from weakest to strongest acid: hclo3, hoi, hbro2, See page 1 for any necessary constant(s): 4. 30, 4. 96, 5. 11, 8. 89, 9. 04. The ph of a 0. 50 m nacn(aq) is 11. 50. (aq) and co3: hco3, hno3(aq) and no3, h3po4(aq) and h2po4.
