29-11-2018
Chemistry

contestada

A solution of ammonia had a pH of 11.8. What is the concentration of OH ions in the solution?

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ieylaaqilah16 ieylaaqilah16

07-12-2018

this is the formula pH + pOH = 14
11.8 + pOH = 14
pOH = 2.6
then to find concentration, the formula is
pOH = -log[OH^-]
2.6 = -log[OH^-]
[OH^-] = 2.5119×10^3 M

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