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A biochemist has 100 mL of a buffered solution at pH 7.3. The concentration of the...

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Chemistry

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?

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3.7 Ratings (669 Votes)
We have Henderson equation pH pka log conjugate base acid Let acid be HA its conjugate base is A pka of HA 78 pH 73 we substitute all these in    See Answer
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