cocomorillo7166 cocomorillo7166 21-12-2022 Chemistry Answered A 0.10 M solution of a weak monoprotic acid has a pH equal to 4.0. The ionization constant ka of the acid is A. 1 x 10^-3 B. 1 x 10^-4 C. 1 x 10^-7 D. 1 x 10^-8 E. 1 x 10^-9