What is the concentration of the hydroxide ion given that the concentration of the hydronium ion is
1.5 × 10^-⁵ M?

Name: What is the concentration of the hydroxide ion given that the concentration of the hydronium ion is 1.5 × 10 - 5 M?
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Question

What is the concentration of the hydroxide ion given that the concentration of the hydronium ion is 1.5 × 10^-⁵ M?

Quizplus · Accepted Answer

The product of the concentrations of hydronium and hydroxide ions in water at 25°C is 1.0 × 10^-14 M^2. Using [H₃O⁺][OH⁻] = 1.0 × 10^-14, we find [OH⁻] = 1.0 × 10^-14 / 1.5 × 10^-5 = 6.7 × 10^-10 M.

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