11
QuizMultiple Choice
Lab: Measuring pH — Unit test
Question 11 • 2026-2027_MDCPS_2003345_Chemistry_1_B-CR
A solution of ammonia has a pH of 11.8. What is the concentration of OH– ions in the solution?Useful formulas include , , , and .
Answer
A
1.58 10–12 M
B
6.31 10–3 M
C
2.20 MD
158 M