Asked by Natalea

Calculate the pH of two buffer systems to compare the differences in pH. One contains 1.0 M NH3 and 3.0 M NH4Cl. (Ka of NH4+, is 5.6x10^-10). The other contains 1.0 M NH3 and 5.0 M NH4Cl. (Ka of NH4+, is 5.6x10^-10).
Answered by DrBob222
It's just a matter of substituting into the Henderson-Hasselbalch equation.
pH = pKa + log[(base)/(acid)]
Convert Ka to pKa by pKa = -log Ka
Answered by Natalea
Thank you!
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