If you know K_b for ammonia,NH₃,you can calculate the equilibrium constant,K_a,for the following reaction: NH₄⁺ NH₃ + H⁺by the equation: A)K_a= K_w $\times$ K_b B)K_a= K_w/ K_b C)K_a= 1 / K_b D)K_a= K_b/ K_w E)none of these

Question

Quizplus · Accepted Answer

K_a can be calculated from the ratio of the forward and reverse reactions of the chemical equation. K_w/ K_b, where K_w is the water dissociation constant and K_b is the dissociation constant of ammonia.

If You Know Kb for Ammonia,NH3,you Can Calculate the Equilibrium ×\times×

If You Know K_b for Ammonia,NH₃,you Can Calculate the Equilibrium $\times$