Multiple choice

What is the pH of a solution that has [OH-] = 0.005

  1. 2.3

  2. 11.7

  3. 2.30

  4. 11.70

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

pOH = -log(0.005) = 2.3. pH = 14 - 2.3 = 11.7. Both B and D are numerically correct, but B is the standard format.