You have been tasked by the company ChemSupplier to design new filters that can separate impurities from solvents based on the molecular size of those impurities.
![Image of a size exclusion filter.](/pbl/sites/files/pbl/styles/full_width_m/public/shared/Filtering_out_impurities.png.webp?itok=YUGpXKde)
Problem written by: Eddie On
Curriculum items covered: Chemical structure, VSEPR theory, molecular sizes and bond lengths.