A student finds that a hydrochloric acid solution has a concentration of 0.0001 M. What is the pOH of this solution at 25°C?
Q1. A student finds that a hydrochloric acid solution has a concentration of 0.0001 M. What is the pOH of this solution at 25°C?
Answer: 10
Explanation: HCl is a strong acid; [H+] = 10⁻⁴ M. pH = 4, so pOH = 14 - 4 = 10. Option A is the pH value, not the pOH.