Bromophenol blue is an indicator with a ka value of 5.84* 10^-5. What percentage of this indicator is in its basic form at a pH of 4.87?
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
Using pH=pKA + {In(-)}/{HIn} We easily get the ratio as 4.32 Yielding % of In(-) Basic form of indicator present as 80.32% approx