1. Calculate the pH of a 0.447 M aqueous solution of aniline (C6H5NH2, Kb = 7.4×10-10).
2. Calculate the pH of a 0.0590 M aqueous solution of the weak base caffeine (C8H10N4O2, Kb = 4.10×10-4).
3. Calculate the percent ionization of a 0.545 M solution of hydrocyanic acid.
1. Calculate the pH of a 0.447 M aqueous solution of aniline (C6H5NH2, Kb = 7.4×10-10)....
a. Calculate the pH of a 0.205 M aqueous solution of aniline (C6H5NH2, Kb = 7.4×10-10) and the equilibrium concentrations of the weak base and its conjugate acid. pH = [C6H5NH2]equilibrium = M [C6H5NH3+]equilibrium = M b. Calculate the pH of a 0.0555 M aqueous solution of piperidine (C5H11N, Kb = 1.3×10-3) and the equilibrium concentrations of the weak base and its conjugate acid. pH = [C5H11N]equilibrium = M [C5H11NH+ ]equilibrium = M
A) Calculate the pH of a 0.0116 M aqueous solution of methylamine (CH3NH2, Kb = 4.2×10-4) and the equilibrium concentrations of the weak base and its conjugate acid. pH = ? [CH3NH2]equilibrium = ? M [CH3NH3+ ]equilibrium = ? M B)Calculate the pH of a 0.0115 M aqueous solution of nitrous acid (HNO2, Ka= 4.6×10-4) and the equilibrium concentrations of the weak acid and its conjugate base. pH = ? [HNO2]equilibrium = ? M [NO2- ]equilibrium = ? M C)...
1)In the laboratory, a general chemistry student measured the pH of a 0.405 M aqueous solution of aniline, C6H5NH2 to be 9.254. Use the information she obtained to determine the Kb for this base. Kb(experiment) = 2) In the laboratory, a general chemistry student measured the pH of a 0.405 M aqueous solution of codeine, C18H21O3N to be 10.793. Use the information she obtained to determine the Kb for this base. Kb(experiment) = 3) The hydroxide ion concentration, [OH-], of...
What is the pH of a 0.15 M solution of the weak base aniline (C6H5NH2; Kb = 3.8 x 10-10) A) 5.12 B) 8.88 C) 13.18 D) 9.42 E) 10.24
Calculate the pH of a 0.10 M solution of aniline(C6H5NH2, Kb=3.8 x 10-10.) A. 11.21 B.5.21 C. 9.42 D.2.79 E. 8.79
1) The pH of an aqueous solution of 0.442 M caffeine (a weak base with the formula C8H10N4O2) is ______ 2) The hydroxide ion concentration, [OH-], of an aqueous solution of 0.442 M diethylamine (a weak base with the formula (C2H5)2NH) , Kb = 6.9×10-4, is: [OH-] = ________ M.
Determine the pH of a 2.0 x10^-4 M solution of aniline hydrochloride (C6H5NH3Cl). Kb aniline (C6H5NH2) = 3.98 x10^-10
Part A Find the [OH−] of a 0.29 M aniline (C6H5NH2) solution. (The value of Kb for aniline (C6H5NH2) is 3.9×10−10.) Part B Find the pH of a 0.29 M aniline (C6H5NH2) solution.
1. Calculate the pH of a 0.543 M aqueous solution of codeine (C18H21O3N, Kb = 8.9×10-7). pH = 2. Calculate the pH of a 0.1250 M aqueous solution of piperidine (C5H11N, Kb = 1.3×10-3). pH = 3. Calculate the pH of a 0.0774 M aqueous solution of the weak base triethylamine ((C2H5)3N, Kb = 5.20×10-4). pH =
Find the [OH-] of a 0.28 M aniline (C6H5NH2) solution. (The value of Kb for aniline (C6H5NH2) is 3.9 x 10-10.) Express your answer to two significant figures and include the appropriate units. TE Å R O ? mo [OH-] = 1.04 • 10-5 Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining - Part B Find the pH of a 0.28 M aniline (C6H5NH2) solution. Express your answer using two decimal places. O AU O O...