cyndalulu3859 cyndalulu3859 29-12-2023 Chemistry contestada Calculate the Ka for an unknown monoprotic acid HX, given that a solution of 0.28 M LiX has a pH of 8.90. a. 2.3 × 10^(-10) b. 3.5 × 10^(-10) c. 1.8 × 10^(-3) d. 8.9 × 10^(-5)