due tomorrow, can anyone help me finish with calculations to explain.

Data and Results Mass of CaCl2:2H20 (9): __479 Concentration of CaCl2-2H20 stock solution (M): Unknown #: 3 Product Analyzed: _CUS health caloom Dietary Tablet Mass, (g): 1.7208 Powder Mass, (g): J.7182 Data Analysis (Excel) Standard Solutions Stock Sample (Cat), M Sample Identifier Solution [Ca 2), M Std 1 (lowest [Ca+21) -88.0 Dilution 1 Std 2 -66.5 Dilution 2 Std 3 -34.9 Dilution 3 Std 4 (highest [Ca 2) -6.5 Volume of Stock Sample Solution used +] to prepare dilutions (ml): 87.35 27.17 Slope 2 decimal places (#. xx) Intercept 2 decimal places (#. xx) Correlation coefficient 4 decimal places (#. xxxx) Average (Ca+2, M] in the stock solution Average mass of Ca2+ in tablet (mg/tablet) Average concentration of Ca2+ in tablet (wt/wt %) Experimental (% Label Claim) Does the product meet the manufacturer's label claim? Criteria: expt. % label claim is within 80-120% of the product label claim YES NO