Equilibria of Acids and Bases Answers

The acid-dissociation constants for three acids are shown in the table.Which is the strongest acid?phenol✔ formiclactic

Which has the strongest conjugate base?✔ phenolformiclactic

The base-dissociation constants for three bases are shown in the table.Which is the weakest base?trimethylamine✔ hydrazinedimethylamine

The acid-dissociation constant, Ka, for benzoic acid is 6.5 × 10-5.Which will you use to calculate the base-dissociation constant, Kb, for the conjugate base of benzoic acid?

The acid-dissociation constant, Ka, for benzoic acid is 6.5 × 10-5.Calculate the base-dissociation constant, Kb, for the conjugate base of benzoic acid.

The base-dissociation constant, Kb, for aniline is 4.3 × 10-10.What is the acid-dissociation constant for the conjugate acid of aniline?

Determine the pH of a 0.0500 M solution of potassium hydroxide (KOH). ⇒ 12.7

Which has the weakest conjugate acid?trimethylaminehydrazine✔ dimethylamine

Determine the pH of a 0.05 M solution of hydrocyanic acid (HCN). Hydrocyanic acid has an acid-dissociation constant of 4.9 × 10-10. ⇒ 5.3