A biochemist has 100 mL of a buffered solution at pH 7.3. Theconcentration of the buffer is 0.1 M, and the pKa of thebuffer is 7.8. If the biochemist adds 80 mL of a 0.1 N KOH solutionto the above buffered solution, what will be the final pH to thenearest tenth of a unit?
