What is the concentration of OH in a solution with a H’ concentration of 1.3 * 10 ^ – 4 M?

(1) 7.7 * 10 ^ – 10 * M

(2) 7.7 * 10 ^ – 9 * M

(3) 7.7 * 10 ^ – 11 * M

(4) 7.7 * 10 ^ – 12 * M

---