What is the concentration of OH- in a solution with an H+ concentration of 1.5 x 10-14M?
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Step-by-step explanation:
The pH Scale:
The pH of a solution is defined as the negative log10 [H+]
(NOTE: H+ and H3O+ are interchangeable ways to describe the presence of protons in solution)
The pOH of a solution is defined as the negative log10 [OH¯]
Conversely,
[H3O+] = 10-pH and [OH¯] = 10-pOH
The pH of a neutral solution is therefore 7. (-log[1 x 10-7] = 7)
The sum of the pH and pOH must always equal 14. This is because the –log KW = -log(1 x 10-14) = 14.
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