Question

Consider the reaction NH3(aq) + H2O(l) NH4+(aq) + OH"(aq). Kb for NH3 is 1.8x10-5 at 25ºC. What is Ka for the NH4+ion at 25ºC?
A) 5.6 x104
B) 5.6 x10-10
C) 1.8 x10-5
D) 7.2 x10-12
E) 9.2 x10-8

Answer

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