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What Is the PH of a 0

Question 218

Multiple Choice

What is the pH of a 0.200 M NH3 solution that has Kb = 1.8 × 10-5? The equation for the dissociation of NH3 is
NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH-(aq) .


A) 2) 02
B) 2) 72
C) 11.98
D) 11.28

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