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braydenmcd02
18.02.2020 •
Chemistry
If a buffer solution is 0.250 M 0.250 M in a weak base ( K b = 8.0 × 10 − 5 ) Kb=8.0×10−5) and 0.540 M 0.540 M in its conjugate acid, what is the pH ?
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Ответ:
9.57
Explanation:
Given that:
Considering the Henderson- Hasselbalch equation for the calculation of the pOH of the basic buffer solution as:
So,
pH + pOH = 14
So, pH = 14 - 4.43 = 9.57
Ответ:
It contradicted the Heisenberg uncertainty principle.