If the concentration of H₃O⁺ in an aqueous solution is 7.6 × 10^-9 M,the concentration of OH^- is A)7.6 × 10^-23 M. B)1.3 × 10⁺⁸ M. C)6.4 × 10^-5 M. D)1.3 × 10^-6 M. E)7.6 × 10^-9 M.

Question

Quizplus · Accepted Answer

The product of [H3O+] and [OH-] in water at 25°C is 1.0 × 10^-14. Using this, [OH-] = 1.0 × 10^-14 / 7.6 × 10^-9 = 1.3 × 10^-6 M.

If the Concentration of H3O+ in an Aqueous Solution Is

If the Concentration of H₃O⁺ in an Aqueous Solution Is