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The Ka for the H2PO4-/HPO42- buffer is given by the equation: Ka= ([HPO4^-2]gamma [H^+])/[H2PO4^-]=10^-7.20 What is the pH of a 2:3 mixture of H2PO4-
The Ka for the H2PO4-/HPO42- buffer is given by the equation: Ka= ([HPO4^-2]gamma [H^+])/[H2PO4^-]=10^-7.20 What is the pH of a 2:3 mixture of H2PO4- to HPO42- at 0.10 M ionic strength? (See the table for the activity coefficients.)
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720 Ka 10 log ka log 631 x 108 pka 720 Now using value for activ...
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Quantitative Chemical Analysis
Authors: Daniel C. Harris
8th edition
1429218150, 978-1429218153
