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11 Nov 2019
19. Which of the following reactions is associated with the definition of Ks? A) E) None of these h onuato cae of bicaronae ton, lCOsecvy B) HiO and CO C) HCOs and OH D) H CO and CO E) CO and OH 21. What is the ph of a 0.48 MrKCI solution? A) 0.32 B) 7.00 C) 13.68 D) 2.40 E) 9.20 2alulate the for an unknown monoprotic acid Hx, given that a solution of o.37 M Lix has a pli of 8.90. A) 1.7Ã10-10 B) 4.7Ã10-10 C) 2.3Ã 103 D) 1.2 x 10 E) 5.9 x 10-5 23. Which of the following species cannot act as a Lewis base? A) Sa B) NH2 C) CH D) H20 E) NHs 24. Calculate the pH of a 0.048 M strong acid solution. A)-1.32 B) 1.32 C) 12.68 D) 15.32 E) None of these 25. Which of the following solutions contains the strongest acid? A) 5.00 M HCN (Ka = 6.2 x 10-10) B) 3.50 M HGHOs (Ka' = 7.9 x 10-5, Ka2 = 1.6 Ã 10-19. C) 2.50 M HC2HsO2 (Ka 1.8 x 10-) D) 4.00 M HOCl (Ka = 3.5 x 10-8) E) 1.00 M HF (Ka = 7.2 Ã 10-4)
19. Which of the following reactions is associated with the definition of Ks? A) E) None of these h onuato cae of bicaronae ton, lCOsecvy B) HiO and CO C) HCOs and OH D) H CO and CO E) CO and OH 21. What is the ph of a 0.48 MrKCI solution? A) 0.32 B) 7.00 C) 13.68 D) 2.40 E) 9.20 2alulate the for an unknown monoprotic acid Hx, given that a solution of o.37 M Lix has a pli of 8.90. A) 1.7Ã10-10 B) 4.7Ã10-10 C) 2.3Ã 103 D) 1.2 x 10 E) 5.9 x 10-5 23. Which of the following species cannot act as a Lewis base? A) Sa B) NH2 C) CH D) H20 E) NHs 24. Calculate the pH of a 0.048 M strong acid solution. A)-1.32 B) 1.32 C) 12.68 D) 15.32 E) None of these 25. Which of the following solutions contains the strongest acid? A) 5.00 M HCN (Ka = 6.2 x 10-10) B) 3.50 M HGHOs (Ka' = 7.9 x 10-5, Ka2 = 1.6 Ã 10-19. C) 2.50 M HC2HsO2 (Ka 1.8 x 10-) D) 4.00 M HOCl (Ka = 3.5 x 10-8) E) 1.00 M HF (Ka = 7.2 Ã 10-4)
Reid WolffLv2
19 Jul 2019