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81 solutions

Ka and Kb

Q. Which is the strongest acid in aqueous solution?

Solved • Dec 13, 2019

Ka and Kb

Q. Which 0.10 M solution will have the largest concentration of hydroxide ion? (A) NH3 (Kb = 1.8 x 10^-5) (B) NaCN (Ka of HCN = 4.9 x 10^-10 (C) NaClO2 (Ka of HClO2 = 1.7 x 10^-4) (D) NaHCO3 (Kb = HCO3^- = 2.3 x 10^-8)

Solved • Dec 13, 2019

Ka and Kb

Q. Determine the OH-,pH, and pOH of a solution that is 0.125M in co3^2-

Solved • Nov 28, 2019

Ka and Kb

Q. A 0.135M solution of a weak base has a pH of 11.23. Determine Kb for the base.

Solved • Nov 28, 2019

Ka and Kb

Q. Given 0.01 M solutions of each of the following bases, which solution would have the highest pH? A. Hydrazine, (N2H4), Kb = 1.3 x 10^-6 B. Methylamine, (CH3NH2), Kb = 4.4 x 10^-4 C. Dimethylamine, ((CH3)2NH), Kb = 5.1 x 10^-4 D. Aniline (C6H5NH2), Kb = 3.9 x 10^-10

Solved • Nov 20, 2019

Ka and Kb

Q. Which one of the following is the weakest acid?

Solved • Nov 13, 2019

Ka and Kb

Q. Which compound has a very large value of Ka in aqueous solution? a) H3PO4 b) NH3 c) HNO3 d) NaCl e) KOH

Solved • Nov 13, 2019