Acid Base Equilibria

Rank the following in terms of acidity: HClO, IOH, and HBrO. Explain the trend.

Rank the following in terms of acidity: HClO, HClO$_2$, HClO$_3$, HClO$_4$. Explain the trend.

Find the equilibrium concentrations of the species H$_2$SO$_4$, HSO$_4^-$, SO$_4^{2-}$, and H$^{+}$ given a 1.0 M solution of H$_2$SO$_4$.

Find the pH of the buffer solution consisting of 0.60 M HF and 1.0 M KF (K$_a$ of HF = 7.2 x 10$^{-4}$)