The pH of a 0.001 M HCl solution is: A 1 B 3 C 7 D 11 ✓ Correct Answer: Option B HCl is a strong acid: [H+] = 0.001 M = 10^-3. pH = -log(10^-3) = 3. Practice DAT Exam Prep Quizzes → Browse All Questions Study Flashcards