Consider the reaction NH3(aq) + H2O(l) NH4+(aq) + OH-(aq) .Kb for NH3 is 1.8 × 10-5 at 25°C.What is Ka for the NH4+ ion at 25°C?
A) 5.6 × 104
B) 5.6 × 10-10
C) 1.8 × 10-5
D) 7.2 × 10-12
E) 9.2 × 10-8
Correct Answer:
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