What is the hydroxide-ion concentration of an aqueous solution having a hydrogen-ion concentration of 4.75 × 10^-5 mol/L?

Question

Quizplus · Accepted Answer

The product of the concentrations of hydrogen ions [H+] and hydroxide ions [OH-] in water at 25°C is always 1.0 × 10^-14 (mol/L)^2. Given [H+] = 4.75 × 10^-5 mol/L, [OH-] can be found using [OH-] = 1.0 × 10^-14 / [H+]. Substituting the given [H+] value, [OH-] = 1.0 × 10^-14 / 4.75 × 10^-5 = 2.10 × 10^-10 mol/L.

What Is the Hydroxide-Ion Concentration of an Aqueous Solution Having