a. What is the pH of 0.20 M ethanolamine, HOCH2CH2NH2, (Kb = 3.2 x 10−5)?
b. What is the pH of 0.33 M aniline?
a. What is the pH of 0.20 M ethanolamine, HOCH2CH2NH2, (Kb = 3.2 x 10−5)? b....
Enter your answer in the provided box. What is the pH of 0.60 M ethanolamine, HOCH,CH_NH,, (K) = 3.2 x 10-5)? pH =
Calculate the pH of a 0.20 M solution of the weak base pyridine. (C5H5N; Kb = 1.7 x 10-9). What is the pH of a 0.20 M solution of NH4Cl? [Kb(NH3) = 1.8 ´ 10–5]
2. Show how aniline, 0.20 M solution of the base. Kb 4.3 x 10-1
Calculate the pH of a 5.7 M solution of aniline (C6H5NH2; Kb = 3.8 x 10^-10)
Consider the titration of 50.0 mL of 0.20 M NH3 (Kb=1.8×10−5) with 0.20 M HNO3. Calculate the pH after addition of 50.0 mL of the titrant at 25 ∘C.
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
Part A ) Calculate the pH of 0.20 M NH3 (Kb=1.8×10−5). Express your answer using two decimal places. Part B) Calculate the concentrations of all species present in 0.20 M NH3 (Kb=1.8×10−5). Express your answers using two significant figures separated by commas. Enter the concentrations of the species in the order listed below. [NH4+],[NH3],[OH−],[H3O+] = ?,?,?,?
Calculate the pH of a 0.93 M solution of aniline (C6H3NH2; Kb = 3.8 x 10-10): O a) 4.55 b) 9.45 O c) 9.27 d) 4.73 e) 10.67
If the Kb of a weak base is 7.4 x 10-6, what is the pH of a 0.20 M solution of this base? pH =
What is the pH of a 0.200 M solution of aniline (C6H5NH2, Kb = 4.3 x 1010)?