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What is the pH of a sample with [OH-] = 2.5 x 10-11 M?
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What is the pH of a sample with [OH-] = 2.5 x 10-11 M?

User Popa
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1 Answer

2 votes

Answer:

The pH of the sample is 3,4.

Step-by-step explanation:

We calculate the pOH from the formula pOH = -log (OH-). We know that for all aqueous solutions: pH + pOH = 14, and from there we clear pH:

pOH= -log (OH-)=10,60

pH + pOH = 14

pH + 10,60 = 14

pH=14 -10,60

pH=3,4

User Arthurakay
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