calcium+carbonate+precipitation

The tenth grade mixed calcium chloride and sodium carbonate solutions. Each solution concentration was 0.100 M. 50 mL of each solution were used.

Data Table: (mL) || Mass of dry filter paper (g) || Mass of filter paper + CaCO3 (g) || Mass of dry beaker used to collect filtrate (g) || Mass of beaker + NaCl (g) || H.C || 50 || **50** || 1.5 ||  || 66.6 ||   || E.K || 50 || 50 || 1.5 || 3.27 || 64 || 64.4 || P.C C.L || 50 || 50 || 1.5 || 1.8 || 71.2 || 71.8 ||
 * Group || Volume of 0.100 M Na2CO3 solution (mL) || Volume of 0.100 M CaCl2 solution
 * R.C & N.M || 50 || 50 || 1.5g ||  || 91.8g || 92.5g ||
 * A.T & B.L || 50 || 50 || 1.5 || 1.8 || 83.3 || 83.9 ||
 * S.V & G.C || 50 || 50 || 1.5 || 1.8 || 69.8 ||  ||
 * N.G & S.J || 50 || 50 || 1.5 || 1.8 || 92.3 ||  ||
 * M.T. V.C. || 50 || 50 || 1.5 || 1.7 || 101.4 ||  ||
 * A.D
 * H.W
 * M.M