QUESTION 10 What is the pH of a 0.30 M pyridine solution that has a Kb...
What is the dissociation reaction for this solution? Consider a 0.35 M pyridine solution, C5H5N(aq), that has a pH of 9.38. What is the dissociation reaction for this solution? hint: apply rules for bronsted-lowry theory What is the Kb for C5H5N(aq)?
What is the pH of a 0.35 M A solution that has a Kb-3.7 x 10-6 ? The equation for the dissociation of A is: A (aq) + H20 (99) =HA (aq) + OH(aq) Answer to two decimal places.
Kb = 1.7x10–9 for C5H5N (pyridine). What would be the pH of an aqueous solution containing 0.093 M C5H5N and 0.18 M C5H5NH+?
Find the [OH−] of a 0.40 M pyridine (C5H5N) solution. (The value of Kb for pyridine (C5H5N) is 1.7×10−9.) Find the pH of a 0.40 M pyridine (C5H5N) solution.
The pH of a 0.135 mM solution of the alkaloid emetine is 9.24. Determine Kb for emetine from these data. (Assume Kw = 1.01 ✕ 10−14.) C29H40N2O4(aq) + H2O(l) HC29H40N2O4+(aq) + OH−(aq)
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]
What is the pH of a .62 M [C5H5NH]NO3 solution? Kb(C5H5N) = 1.7 x 10-9 Kb(NH3) = 1.8 x 10-5
The pH of a 0.170 mM solution of the alkaloid quinine is 9.25. Determine Kb for quinine from these data. (Assume Kw = 1.01 ✕ 10−14.) C20H24N2O2(aq) + H2O(l) equilibrium reaction arrow HC20H24N2O2+(aq) + OH −(aq)
33. What is the pH of a 0.75 M Benzoic Acid (HC-H502) solution? We (Ka for Benzoic Acid is 6.4 x 10-5 34. What is the pH of a 0.040 M Pyridine (CsH5N) solution? Kb for Pyridine is 1.7 x 10-9 Weal
16 What is the pH of a 1.63 M solution of pyridine (C5H5N; Kb = 1.7 x 10-9)? [ (4 Puan) 9.72 10.07 9.07 5.23 8.77