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07-03-2017
Chemistry

contestada

What is the ph of a solution with a hydroxide ion, oh−, concentration of 5.4 x 10−4 m?

Respuesta :

10-03-2017

pOH = -log[OH-]
pH + pOH = 14 (at 25 degrees celsius)

pOH = -log(5.4*10^-4) = 3.27

pH = 14 - 3.27 = 10.73

The pH of a solution with a hydroxide ion concentration of 5.4*10^-4 M is 10.73.

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