17. Acid and Base Equilibrium

What is the pH of a 3.4x10^-8 M HClO₄ solution at room temperature?

Find the percent ionization of a 0.337 m HF solution. the ka for hf is 3.5 × 10^-4. What would you expect the percent ionization to be for the same concentration of hydrochloric acid (HCl)? Explain.