A chemist needed an aqueous buffer with a pH of 3.90.

Last updated: 8/5/2022

A chemist needed an aqueous buffer with a pH of 3.90. Part a Would formic acid and its salt, sodium formate, make a good pair for this purpose? Formic acid and its salt, sodium formate would make a good pair for this purpose. Formic acid and its salt, sodium formate would not make a good pair for this purpose. What mole ratio of the acid, HCHO2, to the anion of this salt, CHO₂-, is needed? mol HCHO2 initial/mol CHO₂- initial=