Sample 1 Sample 2 Mass (g) of limestone used 0.7572 0.8068 Mass (g) of container + HCI 55.8837 54.4100 Mass (g) of additional 5 mL HCl (if added) o 0 Enter 0 if you didn't add extra HCI Final mass (g) of container + contents 56.3013 54.8919 Mass (g) of watch glass + filter paper 54.5202 55.6148 Mass (g) of watch glass + filter paper + contents 58.4500 29.4853 I. Carbonate in the Limestone Sample 1 Sample 2 1. Determine the mass (g) of CO2 released. Try 1: 0.3249 Try 1: 0.3378 Try 2: 0.3396 0.5 0.5 Info 0.25 0.5 Info 2. Determine the moles of carbonate in the limestone. Determine the moles of CO2 released. Try 1: 0.00771660342 Try 1: 0.00738258083 0.5 0.5 Info 0.5 0.5 Info Moles of carbonate in limestone NG 0.5 Try 1: X 0.007565493675 Try 2: 0.00756549367 Try 3: X 7.565493675E-3 Correct : 0.00772 Info 0 0.5 Info 3. Based upon your anion analysis, what is the percent composition by mass of calcium carbonate in limestone? Mass (g) CaCO3 in limestone NG 1 Info NG 1 Info % CaCO3 in limestone NG 1 Info NG 1 Info Average % CaCO3 in limestone NG 1 Info II. Calcium in the Limestone Sample 1 Sample 2 4. Determine the mass (g) of CaSO4 precipitate (ppt). NG 0.5 Info NG 0.5 Info 5. How many moles of calcium carbonate are in the limestone based upon the cation analysis? Moles of CaSO4 ppt NG 0.5 Info NG 0.5 Info Moles of CaCO3 in limestone NG 0.5 NG 0.5 Info Info 6. Based upon your cation analysis, what is the percent composition of the calcium carbonate in limestone? Mass (g) CaCO3 in limestone NG 1 Info NG 1 Info % CaCO3 in limestone NG 1 NG 1 Info Info Average % CaCO3 in limestone NG 1 Info