Formula of drate Trial 1 Trial 2 Mass of test tube, beaker + hydrate, g Mass of test tube and beaker, g Mass of hydrate, g 74.230 g 75.818 g 73.114 g 74.683 g 1.116 g | 1.135 g Mass of test tube, beaker + anhydrous BaC12, g 74.062 g 75.648 g Mass of anhydrous BaC12, g 0.965 g 4.6 x 10^-3 4.6 x 10^-3 0.948 g Moles of anhydrous BaC12 Mass of water eliminated, g 0.168 g 0.170 g Moles of water eliminated 9.3 x 10^-3 9.4 x 10^-3 Formula of hydrate (=moles H2O/moles BaC12) Average formula

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