Calculate the pH of a 0.0167 M aqueous solution of formic acid (HCOOH, K, = 1.8x10-4)...
Calculate the pH of a 0.408 M aqueous solution of nitrous acid (HNO,, K, -4.5x 10-4) and the equilibrium concentrations of the weak acid and its conjugate base. PH [HNO2 lequilibrium = [NO2 lequilibrium =
Calculate the pH of a 0.065 M formic acid (HCOOH) solution. Formic acid is a weak acid with Ka = 1.8 × 10–4 at 25°C. 2.48 is WRONG answer!!!!!! Write your answer to two decimal places. Calculate the pH of a 0.065 M formic acid (HCOOH) solution. Formic acid is a weak acid with 1.8x 10at 25°C. pH 2.48
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)...
Calculate the pH of a 0.0140 M aqueous solution of formic acid (HCOOH, Ka = 1.8×10-4). pH =
Calculate the pH of a 0.383 M aqueous solution of nitrous acid (HNO2, Ka = 4.5×10-4) and the equilibrium concentrations of the weak acid and its conjugate base. pH = [HNO2 ]equilibrium = M [NO2- ]equilibrium = M
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
Calculate the pH of a 0.496 M aqueous solution of benzoic acid (C6H5COOH, Ka = 6.3×10-5) and the equilibrium concentrations of the weak acid and its conjugate base. pH = _____ [C6H5COOH ]equilibrium = _____M [C6H5COO- ]equilibrium = _____M
A formic acid buffer solution contains 0.22 M HCOOH and 0.24 M HCOO. The pKa of formic acid is 3.75. What is the pH of the buffer? Answer:
a)Calculate the pH of a weak base solution ([B]0 > 100 • Kb). Close Problem Calculate the pH of a 0.289 M aqueous solution of triethanolamine (C6H15O3N, Kb = 5.8×10-7) and the equilibrium concentrations of the weak base and its conjugate acid. pH = [C6H15O3N]equilibrium = M [C6H15O3NH+]equilibrium = M b) Calculate the pH of a 0.0338 M aqueous solution of dimethylamine ((CH3)2NH, Kb = 5.9×10-4) and the equilibrium concentrations of the weak base and its conjugate acid. pH = ...
Calculate the pH of a 0.0410 M aqueous solution of ethylamine (C2HsNH2, Kb 4.3x10) and the equilibrium concentrations of the weak base and its conjugate acid pH [C2HsNH2]equilibrium C2H5NH3 lequilibrium