explain 10,11,12 e. The answer depends on the volumes of the respective sululus. 10. A solution...
Each value below represents a different aqueous solution at 25 °C Classify each solution as acidic, basic, or neutral. Acidic Basic Neutral pH 1.97 PH- 12.53 pOH-4.76 [H] 1.0x 10-7 H1 2.5 x 10 6POH- 13.35 [H] 2.4 x 10-8 pOH-7.00 [OH-] 3.0 x 10-10 [OH] 1.2 x10-5
Calculate the concentration of H3O for an aqueous solution with a pH of 6.20. A) 6.3 x 10-7 M E) 4.0 x 10 M 1. B) 1.6 x 10 M C) 1.0x 10-14 M D) 6.20 x 1014 M 2. The pH of a 0.010 M aqueous solution of Ca(OH)2 is A) 11.70 B) 12.00 C) 12.30 E) 1.70 D) 12.60 alution with a nH of 9.60. for an aqueous solution with a pH of 9.60. C) 1.5 x 10-5...
10- M. What is the [H30'] in egg 23 The [OH) in a sample of egg whites is 6.3 x 10'M. What is the le IUM whites? A 6.3x10 M B 1.6x10M c.0x10-'M OD 1.0x10" 24 Which solution has the highest pH? 4.3x10-MH0B 1.0 x 10-M H30 C 1.9 X 10 M H20 D 1.0x10-²M 5.0+ 25 Which solution has the lowest pH? A 4.3x10-MH0+ B 1.9 X 10MH,0 C 1.0 x 10 M H20 D 1.0x 10-2MH0+ 26 If...
SOLUTION CONDITION pH = 4.60 pOH = 5.60 (OH) = 4.5 x 10-6 M H) = 4.5 x 10-'M 1. The pH of Solution B is a. 10.61 b. 8.40 c. 7.98 d. 6.66 e. none of these 2. The pOH of Solution A is a. 9.40 b. 8.40 c. 7.88 d. 5.66 e. none of these 3. The pH of Solution Cis a. 12.61 b. 8.65 c. 7.98 d. 6.66 e. none of these 4. The pH of Solution...
explain 21,22,23 UTILIT In this solution is a. 2.6 x 10-1° M b. 3.8 x 10 M c. 9.58 d. 4.42 e. none of these 21. How many moles of pure NaOH must be used to prepare 1.0 L of a solution that has pH = 12.26? a. 8.2 x 10-16 mol b. 0.018 mol c. 5.5 x 10-13 mol d. 1.74 mol e. none of these 22. Calculate the pH of a 0.045 M HCl solution. K a. 1.23...
Calculate the volumes of 0.200 M hydrocyanic acid, HCN (Ka = 4.9 x 10–10) solution, and 0.200 M of sodium cyanide, NaCN, solution needed to prepare 100.0 mL buffer solution with pH = 9.5
12) What is the pH of a 1.8 x10^-2 M Ba(OH)2 solution? (a) 12.56 (b) 2.85 (c) 4.44 (d) 6.38 13) What is the pOH of a 1.8 x10^-2 M Ba(OH)2 solution? (a) 1.44 (b) 2.85 (c) 6.37 (d) 9.56 14) Calculate the H3O+ ion concentration of a solution with a pH of 8.34. (a) 2.88 x 10^-9 M (b) 3.85 x 10^-5 M (c) 4.57 x 10^-9 M (d) 6.83 x 10^-5 M
27. Suppose sodium hydroxide is added to a 0.0026 M solution of zinc nitrate such that the pH of the solutionn is 12.99. What is the equilibrium concentration of Zn27 Zn2 (aq)+40H (aq) Zn(OH)(aq), K- 2.8x 1015 a. 1.0x 10-14 M b. 1.1 x 10-17 AM c. 2.4 x 102 M d. 2.6 x 10-3 M e. 9.5 x 10 18 M
15) Calculate the OH- ion concentration of a solution with a pH of 3.75. (a) 1.78 x 10^-10 M (b) 2.17 x 10^-8 M (c) 2.75 x 10^-5 M (d) 5.62 x 10^-11 M 16) Calculate the H3O+ ion concentration of a solution with a pOH of 13.3. (a) 0.08 M (b) 0.20 M (c) 0.29 M (d) 0.35 M 17) Calculate the Kb of Hypochlorous acid, Ka= 3.5 x10^-8. (a) 1.3 x 10^-4 (b) 2.9 x 10^-7 (c) 3.1...
QUESTION A solution has [OH ]=59x 10-4 M. The pH of this solution is a. 5.39 b. 1.69 10-11 c 3.23 d. None of these e. 10.77 Caps Lock is on QUESTION 7 A solution has a pH of 3.99. The pOH of this solution is a. 3.99 b.4.09 c. 10.01 d. none of these e. 9.91