Equilibrium and PH
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A phosphate buffer consisting of H2PO4(-1) and HPO4(-2) helps control the PH of physiological fluids. Many carbonated soft drinks also use this buffer system. What is the PH of a soft drink in which the major buffer is 0.153 M NaH2PO4 and .158 M Na2HPO4?© BrainMass Inc. brainmass.com May 24, 2023, 1:19 pm ad1c9bdddf
The relationship between the concentrations of an acid, its conjugate base and the pH of the solution is described by the Henderson Hasselbalch equation:
<br>pH = pKa + ...