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Ch.16 - Acid-Base Equilibria

Chapter 16, Problem 70a

Write the chemical equation and the Kb expression for the reaction of each of the following bases with water: (a) propylamine, C3H7NH2

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Hey everyone were asked what are the K. P. Expression and chemical equation for the reaction of aniline in water. Now we know that an allen is a weak base. So writing out this reaction, we have an allen and this is going to react with water since we have a weak base. This will dissociate into the conjugate acid of our weak base, which will be our an Illini um ion plus our hydroxide ions. Now to solve for R. K. B, we know our K. B. Is equivalent to our products over our reactant. So in this case it will be the conjugate acid of an allen. Times the concentration of our hydroxide ions, all divided by the concentration of anally. And we can disregard our water since it is a liquid and this isn't included in our expression. So this is going to be our final answers now. I hope that made sense. And let us know if you have any questions.