Homework Statement
Calculate the volume of 0.10M phosphate solution to mix to prepare 100mL of a buffer with pH 6.0 starting with 0.10M stock solutions of NaH2PO4 and Na2HPO4. The pKa for this reaction is 7.21.
Homework Equations
pH=pHa+log( [A-]/[HA])
The Attempt at a Solution
When I did it...