An acid base indicator which is a weak acid has a pka value

Last updated: 7/3/2023

An acid base indicator which is a weak acid has a pka value 5 45 At what cocentration ratio of sodiumacetate to acetic acid would the indicator show a colour half way between those of its acid and conjugate base forms pka of acetic acid 4 75 log 2 0 3 1 4 1 2 7 1 3 5 1 4 2 1