A stock solution of FD&C Yellow No. 5 (Tartrazine, 534.3 g/mol) was prepared by placing 5.25 g in a 250-mL volumetric flask and diluting to 250 mL with distilled water. Calculate the molar concentration of the stock solution.
- 3.93 x 10-4 M
- 3.93 x 10-2 M
- 9.83 x 10-3 M
- 3.93 x 10-5 M
Explain.