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Acid: Pka:

H20 15.7
NH3 38
HCL -8
NH4+ 9.2

Given the list of pKa values, which acid will have the largest amount of conjugate base present in the solution at equilibrium?

H2O

NH3

NH4+

HCl

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3 answers

  1. Convert those pKa values to Ka, then write the ionizaton equation, write the Ka expression and see which has the largest base value.

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  2. Thanks! So the answer is HCl, right?

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  3. right

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