The ph of the buffer solution is 7.743.
What is the Henderson-Hasselbalch Equation?
The Henderson-Hasselbalch equation establishes a relationship between the pKa and pH of acids. When the concentration of the acid and its conjugate base and the associated conjugate acid, are known, the pH of a buffer solution can be determined with the use of this equation.
We use Henderson-hasselbalch equation,
pH = pKa + log [Base] / [Acid]
pKa = -log Ka = -log (3.0 x 10^-8) = 7.46
pH = 7.52 + log [0.250] / [0.150]
pH = 7.52+ 0.2227
pH = 7.743
Therefore, the ph of the solution is 7.743.
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