niceeybabe
niceeybabe niceeybabe
  • 16-11-2016
  • Chemistry
contestada

calculate the OH for a solution that is pH 6.47

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MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 21-11-2016
pH is the negative logarithm of concentration of H+. But there is a relationship between pH and pOH.

pH + pOH = 14
pOH = 14 - pH = 14 - 6.47 = 7.53

Similarly, pOH is the negative logarithm of the concentration of OH- 

pOH = -log(OH-)
7.53 = -log(OH-)
OH- = 2.95 x 10^-6
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