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Using the Henderson-Hasselbalch Equation, Calculate the PH of an Ammonia

Question 56

Multiple Choice

Using the Henderson-Hasselbalch equation, calculate the pH of an ammonia buffer when the NH₃:NH₄⁺ ratio is 0.4 moles:0.6 moles. (pK = 9.75)

A) 7.40
B) 9.07
C) 9.25
D) 9.43
E) 11.05

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