Along with the PH Scale,there Is the POH Scale,which Indicates $\mathrm { K } _ { \mathrm { W } }$

question 12

Multiple Choice

Along with the pH scale,there is the pOH scale,which indicates the level of "basicity" in a solution.Accordingly,pOH = -log[OH^-].What is the sum of the pH and the pOH of a solution always equal to?

• A)the negative of the product of the hydronium and hydroxide ions
• B)the negative log of \(\mathrm { K } _ { \mathrm { W } }\) ,which is 14
• C)The sum would equal 7,since that would be neutral for pH and pOH.
• D)It is not constant because it depends on the acid/base solution in question.

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