Calculate the molarity of PMDA using the results of each standardization titration. Compute the molarity of PMDA from the mass of reagent used to make the PMDA stock solution. Compare these values and determine the percent purity of the solid reagent.
Please provide steps with explanations. Results are in the Excel spreadsheet. Thanks.© BrainMass Inc. brainmass.com September 20, 2018, 10:53 pm ad1c9bdddf - https://brainmass.com/chemistry/polymer-chemistry/pmda-of-polymer-524177
So, you have correctly figured out the molarity of PMDA from the titration data as being 0.1990 M
Now to calculate molarity from mass, ...
The molarity of a polymer is calculated along with percent purity.