A 0.500 g sample of CaCO3 is dissolved in 6 M HCl and the resulting solution is diluted to 250.0 mL?

in a volumetric flask. Titration of a 25.00 mL sample of the CaCO3 solution requires 25.5 mL of EDTA to reach the Eriochrome Black T end point. What is the molarity of the EDTA solution?