A chemist places 1.4142 g of Na2SO4 in a 100 mL volumetric
A chemist places 1.4142 g of Na2SO4 in a 100 mL volumetric flask and adds water to the mark. She then pipets 20 mL of the resulting solution into a 50 mL volumetric flask and adds water to the mark and mixes to make a solution. She then pipets 15 mL of this new solution into a 25 mL volumetric flask and dilutes to the mark. Determine the molar concentration of sodium sulfate in the most dilute solution prepared.