What volume of `0.1 M HCOONa` solution should be added to `50ml` of `0.05 M` formic acid to produce
Channel: Doubtnut
Date: 2020-01-19

What volume of `0.1 M HCOONa` solution should be added to `50ml` of `0.05 M` formic acid to produce a buffer solution of `pH=4.0`, `pK_(a)` of formic acid `=3.7`?