What is the strongest acid in each of the following reactions? Provide justification based on solution equilibrium.
a. HI+ (aq) H₂O (l) → I⁻ (aq) + H₃O+(aq)
b. H₂SO₄ (aq) + H₂O (l) → HSO₄⁻ (aq) + H₃O + (aq)
c. HNO₃ (aq) + H₂O (l) → NO₃⁻ (aq) + H₃O+ (aq)