Textbook Problem 12.37

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Textbook Problem 12.37

Postby Michelle_Nguyen_3F » Tue Nov 22, 2016 8:50 pm

For each of the following weak acids, write the proton transfer equilibrium equation and the expression for the equilibrium constant . Identify the conjugate base, writ ether appropriate proton transfer equation, and write the expression for basicity constant .(a) (b) HCN (c) .

What is meant by the proton transfer equilibrium equation? Thank you!

Jared Faith 4E
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Re: Textbook Problem 12.37

Postby Jared Faith 4E » Tue Nov 22, 2016 9:02 pm

I'm pretty sure it means to write the equation for the weak acid with water on one side and the acid's aqueous products on the other.
So HClO2 would be: HClO2 + H2O <--> H3O+ + ClO2- and you would write the Ka expression for this equation.

Then since ClO2- is the conjugate base, you would write the proton transfer equation for the base: ClO2- + H20 <--> HClO2 + OH- and write the Kb for this.

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