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Calculate the pKa of the reaction H 2 PO 4 - --> HPO 4 2- at 37 degrees C. The pKa for the reaction is

Calculate the pKa of the reaction H₂PO₄^- --> HPO₄^2- at 37 degrees C. The pKa for the reaction is 7.21 at 25 degrees C and the change in enthalpy of ionization is 4.15 kJ/mol

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