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Determine the Ammonia Concentration of an Aqueous Solution That Has

Question 227

Multiple Choice

Determine the ammonia concentration of an aqueous solution that has a pH of 11.50.The equation for the dissociation of NH3 (Kb = 1.8 × 10-5) is NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH-(aq) .


A) 2.5 M
B) 0.55 M
C) 5.7 × 10-3 M
D) 3.2 × 10-3 M

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