Answer in General Chemistry for Sayra #156443
March 17th, 2023
In a laboratory analysis, you are required to standardize the prepared sodium thiosulfate
pentahydrate (Na 2 S 2 O 3 .5H 2 O) solution by performing titrimetric method, with which the
indicator is starch. When can you say that the reaction is complete? Just give the general
Watch the solution closely for the color change. Once the solution begins to change color and the new color persists for at least 30 seconds, you have reached the end point of your titration.