What Is [OH⁻] for an Aqueous Solution Whose PH Is

Multiple Choice

What is [OH⁻] for an aqueous solution whose pH is 3.89?

A) 7.76 *10^-11 M
B) 1.29*10^-12 M
C) 1.29 * 10¹² M
D) 2.58 * 10¹² M
E) 3.86 * 10^-12 M