A laboratory technician prepares a solution of Sodium Hydroxide (NaOH) with a concentration of 0.001 M at 25°C. What is the pH of this solution?
Q1. A laboratory technician prepares a solution of Sodium Hydroxide (NaOH) with a concentration of 0.001 M at 25°C. What is the pH of this solution?
Answer: 11
Explanation: For NaOH, [OH-] = 0.001 M, so pOH = 3; since pH + pOH = 14, pH = 11. Option D is the pOH, not the pH.