Question

PI1. (Sec. 15.3) What is the hydroxide ion concentration, JOr'l, in a solution where the plH equals 10.51: pH 10.51? (pHlog [H:0"]) a) 0.00318 M b) 3.24 x 10 M c) 8.91 x 109 M d) 9.25 x 10-10 M e) 1.45 x 102 M P1 equals 3.51: pH-3.51? (pHlog IHs0') 2. (Sec. 15.3) What is the hydroxide ion concentration, (oH], in a solution where the pH a) 0.442 M b) 2.29 x 103 M c) 4.77 x 10-3 M d) 1.90 x 10-4 M e) 3.24 x 10-11 M P13. (Sec. 15.4) What is the pH of a 0.0275 M solution of nitric acid, HNO,? (pHlog [HsO']) a) 9.25 b) 6.41 c) 1.56 d) 4.28 e) 3.81 P14. (Sec. 15.4) What is the pH of a 0,0877 M solution of hydrochloric acid, HC!? (pHlog [Hs0 ) a) 1.05 b) 2.11 c) 3.79 d) 0.677 e) 12.1 P15. (Sec. 15.4) What is the hydronium ion concentration, [HsO'], in an aqueous hydroiodic acid solution, HI, where its pH equals 2.02: pH 2.022 (pH-log IHso ) a) [HO] 0.238 M b) [HiO]-3.82 x 10-10 M

Answer 1