The concentration of total phosphorous (HPO42– and H2PO4–) found in a blood sample is determined by spectrophotometry to be 0.00335 M. If the pH of the blood sample is 7.44 and the pKa is 7.21, what is the concentration of H2PO4– in the blood?

The concentration of total phosphorous (HPO42– and H2PO4–) found in a blood sample is determined by spectrophotometry to be 0.00335 M. If the pH of the blood sample is 7.44 and the pKa is 7.21, what is the concentration of H2PO4– in the blood?

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

Chapter15: Equilibria Of Other Reaction Classes

Section: Chapter Questions

Problem 107E: What mass of NaCN must be added to 1 L of 0.010 M Mg(NO3)2 in order to produce the first trace of...

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Question

The concentration of total phosphorous (HPO₄²^– and H₂PO₄^–) found in a blood sample is determined by spectrophotometry to be 0.00335 M. If the pH of the blood sample is 7.44 and the pKa is 7.21, what is the concentration of H₂PO₄^– in the blood?

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