The pH of a solution prepared by dissolving 0.350 mol of acid in 1.00L of 1.10M of conjugate base is ________. The Kb for the conjugate base is 5.40 x 10⁻⁴. (Assume the final volume is 1.00 L.)

a. 11.23
b. 1.66
c. 11.14
d. 2.77
e. none of these