the ionization Constant of a weak acid is 1.8x10^-5 which of the following is a reasonable PH for a 0.1 M solution of this acid

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

Just took the quiz on edgenuity and the correct answer is "c.  4.54 x  10–12  j"