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Consider the reaction NH3 + H2O ⇔ NH4^+ + OH^– . Kb for NH3 is 2 x10^–5.

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Consider the reaction NH3 + H2O ⇔ NH4+ + OH– . Kb for NH3 is 2 x10–5. What is Ka for the NH4+ ion? 

A. 2 x 10–5 

B. 5 x 10–7 

C. 5 x 10–10 

D. 2 x 10–19 

E. 1 x 10–14

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Best answer

Correct option  (C) 5 x 10–10 

Explanation:

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