Calculate the hydroxide ion concentration in an aqueous solution with a pH of 4.33 at 25°C. A)2.1 × 10^-10 M B)9.7 × 10^-10M C)4.7 × 10^-5 M D)3.8 × 10^-5 M E)6.3 × 10^-6 M

Question

Quizplus · Accepted Answer

The pOH can be calculated using pOH = 14 - pH. For pH 4.33, pOH = 9.67. The hydroxide ion concentration is then found using [OH⁻] = 10^(-pOH) = 10^(-9.67) ≈ 2.1 × 10^(-10) M.

Calculate the Hydroxide Ion Concentration in an Aqueous Solution with a PH