Suppose you are given an acid, HA, that has a Ka=2.50 × 10-3 at 25.0 °C.
a. Write the balanced chemical reaction for HA(aq) reacting with H2O(l).
b. Write the Ka expression.
c. If at equilibrium, [HA]=0.08333 M and [OH-]=6.94 × 10-13 M, what is the [H3O+] of the solution at 25.0 °C?
d. What is the pH of the solution at 25.0 °C?