10. Acids and Bases

Identify conjugate acid and conjugate base in the following reaction.

H₂PO₄⁻ (aq) + H₂O (l) ⇌ HPO₄²⁻ (aq) + H₃O⁺ (aq)

In the following reaction, label Bronsted-Lowry acid and base, along with conjugate acid and base.

H₂C₆H₆O₆ (aq) + H₂O (l)       ⇌   HC₆H₆O₆^- (aq) + H₃O⁺ (aq)

Which of the following is the strongest base?

Which of the following bases will have the weakest conjugate acid?

Identify the reactant that is a Brønsted–Lowry acid and the reactant that is a Brønsted–Lowry base in each of the following:

a. HI(aq) + H₂O(l) → I^-(aq) + H₃O⁺(aq)

Identify the Brønsted–Lowry acid–base pairs in each of the following equations:

b. NH₄⁺(aq) + H₂O(l) ⇄ NH₃(aq) + H₃O⁺(aq)

What happens when a strong acid such as HBr is dissolved in water?

What happens when a weak acid such as CH₃CO₂H is dissolved in water?

What happens when a weak base such as NH₃ is dissolved in water?

Write the formula for the conjugate base for each of the following acids:

c. HPO₄^2-