ariannah207 ariannah207

26-03-2021
Chemistry

contestada

A solution is found to have a pH of 8.3. What is the hydroxide ion, [OH-]
concentration?

Respuesta :

21ahmedfa 21ahmedfa

26-03-2021

Answer:

[OH-] = 2 x 10^-6 M

Explanation:

Calculate pOH first: 14 - pH = pOH --> pH = 14 - 8.3 = 5.7

[OH-] = 10^-pOH = 10^-5.7 = 2 x 10^-6 M

Only one sig fig in the concentration, because the pH only had one decimal place.

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