0.10 Maqueous solution of a weak acidHAhas apHof6.0. What is A0.10 Maqueous solution of a weak acidHAhas apHof6.0. What isthe value ofKa forHA?the

 0.10 M aqueous solution of a weak acid HA has a pH of 6.0. What is A 0.10 M aqueous solution of a weak acid HA has a pH of 6.0. What is the value of  Ka for HA?the value of  Ka for HA?

Select one:

a. 1.0×10-11

 b. 1.0×10-6

 c. 1.0×10-7

 d. 1.0×10-5

 e. 1.0×10-9