What is the best description for a solution with a hydroxide-ion concentration of 1x10⁻⁴m?

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14-05-2018
Chemistry

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What is the best description for a solution with a hydroxide-ion concentration of 1x10⁻⁴m?

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PBCHEM PBCHEM · Answer 1 · 2018-05-23T11:53:03+02:00

PBCHEM PBCHEM

23-05-2018

The best way to express the concentration of hydroxyl ions is in terms of pH and pOH.

pOH = -log [OH-]
Also, for aqueous solution, pH + pOH = 14. Also, if pH of solution is more than 7, it is basic in nature.

Given: [OH-] = 1x10⁻⁴m
∴ pOH = -log [10^-4] = 4
and pH = 14 - 4 = 10

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