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What is the pH of a 40.0 mL solution that is 0.19 M in CN and 0.25 M in HCN? The K, for HCN is 4.9 x 10 ?.

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter14: Acid-base Equilibria

Section: Chapter Questions

Problem 15E: Explain why a sample of pure water at 40 C is neutral even though [H3O+]=1.7107M . Kw is 2.91014 at...

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What is the pH of a 40.0 mL solution that is
0.19 M in CN and 0.25 M in HCN?
The K, for HCN is 4.9 x 10 ?.

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